diff options
Diffstat (limited to 'works/life/java-practice')
34 files changed, 0 insertions, 1471 deletions
diff --git a/works/life/java-practice/.gitignore b/works/life/java-practice/.gitignore deleted file mode 100644 index acec74a..0000000 --- a/works/life/java-practice/.gitignore +++ /dev/null @@ -1,60 +0,0 @@ -.metadata -bin/ -tmp/ -*.tmp -*.bak -*.swp -*~.nib -local.properties -.settings/ -.loadpath -.recommenders - -# External tool builders -.externalToolBuilders/ - -# Locally stored "Eclipse launch configurations" -*.launch - -# PyDev specific (Python IDE for Eclipse) -*.pydevproject - -# CDT-specific (C/C++ Development Tooling) -.cproject - -# CDT- autotools -.autotools - -# Java annotation processor (APT) -.factorypath - -# PDT-specific (PHP Development Tools) -.buildpath - -# sbteclipse plugin -.target - -# Tern plugin -.tern-project - -# TeXlipse plugin -.texlipse - -# STS (Spring Tool Suite) -.springBeans - -# Code Recommenders -.recommenders/ - -# Annotation Processing -.apt_generated/ -.apt_generated_test/ - -# Scala IDE specific (Scala & Java development for Eclipse) -.cache-main -.scala_dependencies -.worksheet - -# Uncomment this line if you wish to ignore the project description file. -# Typically, this file would be tracked if it contains build/dependency configurations: -#.project diff --git a/works/life/java-practice/javatest/.classpath b/works/life/java-practice/javatest/.classpath deleted file mode 100644 index 9af0373..0000000 --- a/works/life/java-practice/javatest/.classpath +++ /dev/null @@ -1,10 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
- <classpathentry kind="src" path="src"/>
- <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
- <attributes>
- <attribute name="module" value="true"/>
- </attributes>
- </classpathentry>
- <classpathentry kind="output" path="bin"/>
-</classpath>
diff --git a/works/life/java-practice/javatest/.project b/works/life/java-practice/javatest/.project deleted file mode 100644 index 34df9f4..0000000 --- a/works/life/java-practice/javatest/.project +++ /dev/null @@ -1,17 +0,0 @@ -<?xml version="1.0" encoding="UTF-8"?>
-<projectDescription>
- <name>javatest</name>
- <comment></comment>
- <projects>
- </projects>
- <buildSpec>
- <buildCommand>
- <name>org.eclipse.jdt.core.javabuilder</name>
- <arguments>
- </arguments>
- </buildCommand>
- </buildSpec>
- <natures>
- <nature>org.eclipse.jdt.core.javanature</nature>
- </natures>
-</projectDescription>
diff --git a/works/life/java-practice/javatest/src/javatest/ArrayDemo2.java b/works/life/java-practice/javatest/src/javatest/ArrayDemo2.java deleted file mode 100644 index 8d7b2ae..0000000 --- a/works/life/java-practice/javatest/src/javatest/ArrayDemo2.java +++ /dev/null @@ -1,13 +0,0 @@ -package javatest;
-
-public class ArrayDemo2 {
- public static void main(String args[]) {
- int score[][] = { { 10, 3 }, { -1, 119, -51 }, { 100, 56, 90, 49 } };
- for (int i = 0; i < score.length; i++) {
- for (int j = 0; j < score[i].length; j++) {
- System.out.print(score[i][j] + "\t");
- }
- System.out.println("");
- }
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/ArrayDemo3.java b/works/life/java-practice/javatest/src/javatest/ArrayDemo3.java deleted file mode 100644 index f053b4b..0000000 --- a/works/life/java-practice/javatest/src/javatest/ArrayDemo3.java +++ /dev/null @@ -1,31 +0,0 @@ -package javatest;
-
-public class ArrayDemo3 {
- public static void main(String args[]) {
- int score[] = { 25, 78, 35, 84, 69, 74, 12, 56 };
- int age[] = { 32, 52, 12, 63, 42, 15, 75, 23, 56 };
- sort(score); // 调用排序方法
- print(score); // 调用输出方法
- System.out.println("\n-----------------------------------------");
- sort(age);
- print(age);
- }
-
- public static void sort(int temp[]) { // 数组排序
- for (int i = 1; i < temp.length; i++) { // 冒泡算法
- for (int j = 0; j < temp.length; j++) {
- if (temp[i] < temp[j]) {
- int x = temp[i];
- temp[i] = temp[j];
- temp[j] = x;
- }
- }
- }
- }
-
- public static void print(int x[]) { // 数组输出
- for (int i = 0; i < x.length; i++) {
- System.out.print(x[i] + " , ");
- }
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/E0201.java b/works/life/java-practice/javatest/src/javatest/E0201.java deleted file mode 100644 index 5cda62a..0000000 --- a/works/life/java-practice/javatest/src/javatest/E0201.java +++ /dev/null @@ -1,21 +0,0 @@ -package javatest;
-
-public class E0201 {
- public static int max(int a, int b) {
- return a > b ? a : b;
- }
-
- public static double max(double a, double b) {
- return a > b ? a : b;
- }
-
- public static int max(int a, int b, int c) {
- return max(a, max(b, c));
- }
-
- public static void main(String[] args) {
- System.out.println(max(1, 2));
- System.out.println(max(2.2, 3.3));
- System.out.println(max(1, 2, 3));
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/E0202.java b/works/life/java-practice/javatest/src/javatest/E0202.java deleted file mode 100644 index c74beec..0000000 --- a/works/life/java-practice/javatest/src/javatest/E0202.java +++ /dev/null @@ -1,12 +0,0 @@ -package javatest;
-
-public class E0202 {
- public static int F(int n) {
- if (n == 1 || n == 2) return 1;
- return F(n - 2) + F(n - 1);
- }
-
- public static void main(String[] args) {
- System.out.println(F(6));
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/E0203.java b/works/life/java-practice/javatest/src/javatest/E0203.java deleted file mode 100644 index 7bec46f..0000000 --- a/works/life/java-practice/javatest/src/javatest/E0203.java +++ /dev/null @@ -1,26 +0,0 @@ -package javatest;
-
-public class E0203 {
- public static void main(String[] args) {
- int[] array = new int[] { 1, 2, 3, 4 };
- intArray.printArray(array);
- System.out.println();
- intArray.printArray(intArray.reverse(array));
- }
-}
-
-class intArray {
- public static void printArray(int[] array) {
- for (int i = 0; i < array.length; i++) {
- System.out.print(array[i] + " ");
- }
- }
-
- public static int[] reverse(int[] list) {
- int[] result = new int[list.length];
- for (int i = 0; i < list.length; i++) {
- result[i] = list[list.length - i - 1];
- }
- return result;
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/E0204.java b/works/life/java-practice/javatest/src/javatest/E0204.java deleted file mode 100644 index c79e33c..0000000 --- a/works/life/java-practice/javatest/src/javatest/E0204.java +++ /dev/null @@ -1,90 +0,0 @@ -package javatest;
-
-import java.util.HashSet;
-import java.util.Random;
-
-public class E0204 {
- public static void main(String[] args) {
- Random r = new Random();
- HashSet<Card> set = new HashSet<Card>();
-
- while (set.size() != 4) {
- set.add(Card.random(r));
- }
-
- for (Card card : set) {
- System.out.println(card);
- }
- }
-}
-
-class Card {
- public static final String[] suits = { "Spades", "Hearts", "Clubs", "Diamonds" };
- public static final String[] ranks = { "Ace", "2", "3", "4", "5", "6", "7", "8", "9", "10", "Jack", "Queen",
- "King" };
-
- public static Card random(Random r) {
- return new Card(suits[r.nextInt(suits.length)], ranks[r.nextInt(ranks.length)]);
- }
-
- public Card(String suit, String rank) {
- super();
- this.suit = suit;
- this.rank = rank;
- }
-
- private String suit;
- private String rank;
-
- public String getSuit() {
- return suit;
- }
-
- public void setSuit(String suit) {
- this.suit = suit;
- }
-
- public String getRank() {
- return rank;
- }
-
- public void setRank(String rank) {
- this.rank = rank;
- }
-
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = 1;
- result = prime * result + ((rank == null) ? 0 : rank.hashCode());
- result = prime * result + ((suit == null) ? 0 : suit.hashCode());
- return result;
- }
-
- @Override
- public boolean equals(Object obj) {
- if (this == obj)
- return true;
- if (obj == null)
- return false;
- if (getClass() != obj.getClass())
- return false;
- Card other = (Card) obj;
- if (rank == null) {
- if (other.rank != null)
- return false;
- } else if (!rank.equals(other.rank))
- return false;
- if (suit == null) {
- if (other.suit != null)
- return false;
- } else if (!suit.equals(other.suit))
- return false;
- return true;
- }
-
- @Override
- public String toString() {
- return "Card [suit=" + suit + ", rank=" + rank + "]";
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/Main.java b/works/life/java-practice/javatest/src/javatest/Main.java deleted file mode 100644 index 4c4a70c..0000000 --- a/works/life/java-practice/javatest/src/javatest/Main.java +++ /dev/null @@ -1,7 +0,0 @@ -package javatest;
-
-public class Main {
- public static void main(String[] args) {
- System.out.println("Hello world!");
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/MethodDemo2.java b/works/life/java-practice/javatest/src/javatest/MethodDemo2.java deleted file mode 100644 index 161de5d..0000000 --- a/works/life/java-practice/javatest/src/javatest/MethodDemo2.java +++ /dev/null @@ -1,30 +0,0 @@ -package javatest;
-
-public class MethodDemo2 {
- public static void main(String args[]) {
- int one = add(29, 58); // 调用addOne()方法
- int three = add(25, 58, 10); // 调用addOne()方法
- float two = add(26.35f, -12.84f); // 调用addTwo()方法
- System.out.println("add(int x,int y)=" + one);
- System.out.println("add(int x,int y,int z)=" + three);
- System.out.println("add(float x,float y)=" + two);
- }
-
- public static int add(int x, int y) { // 定义方法，两个整数加法，返回一个整型数据
- int temp = 0; // temp为局部变量，只在此方法中有效
- temp = x + y;
- return temp; // 返回计算结果
- }
-
- public static int add(int x, int y, int z) { // 定义方法，两个整数加法，返回一个整型数据
- int temp = 0; // temp为局部变量，只在此方法中有效
- temp = x + y + z;
- return temp; // 返回计算结果
- }
-
- public static float add(float x, float y) {
- float temp = 0;
- temp = x + y;
- return temp;
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0301/Circle.java b/works/life/java-practice/javatest/src/javatest/e0301/Circle.java deleted file mode 100644 index ec380ec..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0301/Circle.java +++ /dev/null @@ -1,33 +0,0 @@ -package javatest.e0301;
-
-public class Circle {
- private static int numOfObjects = 0;
-
- public static int getNumOfObjects() {
- return numOfObjects;
- }
-
- private double radius;
-
- public Circle(double radius) {
- this.radius = radius;
- numOfObjects++;
- }
-
- public double getArea() {
- return radius * radius * Math.PI;
- }
-
- public static void printCircle(Circle c) {
- System.out.println("Radius of circle is " + c.radius);
- System.out.println("Area of circle is " + c.getArea());
- }
-
- public static void main(String[] args) {
- Circle c1 = new Circle(2);
- Circle c2 = new Circle(3);
- Circle.printCircle(c1);
- Circle.printCircle(c2);
- System.out.println("Num of objects is " + Circle.getNumOfObjects());
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0302/Rational.java b/works/life/java-practice/javatest/src/javatest/e0302/Rational.java deleted file mode 100644 index 772cf12..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0302/Rational.java +++ /dev/null @@ -1,45 +0,0 @@ -package javatest.e0302;
-
-public class Rational {
- private long numerator;
- private long denominator;
-
- private static long gcd(long a, long b) {
- return b != 0 ? gcd(b, a % b) : a;
- }
-
- public Rational(long numerator, long denominator) {
- long d = gcd(numerator, denominator);
- this.numerator = numerator / d;
- this.denominator = denominator / d;
- }
-
- public Rational add(Rational secondRational) {
- long d = gcd(this.denominator, secondRational.denominator);
- long dd = this.denominator / d * secondRational.denominator;
- long a = this.numerator * (dd / this.denominator);
- long b = secondRational.numerator * (dd / secondRational.denominator);
- return new Rational(a + b, dd);
- }
-
- public Rational subtract(Rational secondRational) {
- long d = gcd(this.denominator, secondRational.denominator);
- long dd = this.denominator / d * secondRational.denominator;
- long a = this.numerator * (dd / this.denominator);
- long b = secondRational.numerator * (dd / secondRational.denominator);
- return new Rational(a - b, dd);
- }
-
- public Rational multiply(Rational secondRational) {
- return new Rational(this.numerator * secondRational.numerator, this.denominator * secondRational.denominator);
- }
-
- public Rational divide(Rational secondRational) {
- return new Rational(this.numerator * secondRational.denominator, this.denominator * secondRational.numerator);
- }
-
- @Override
- public String toString() {
- return denominator == 1 ? Long.toString(numerator) : numerator + "/" + denominator;
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0302/TestRationalClass.java b/works/life/java-practice/javatest/src/javatest/e0302/TestRationalClass.java deleted file mode 100644 index 2be02b9..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0302/TestRationalClass.java +++ /dev/null @@ -1,12 +0,0 @@ -package javatest.e0302;
-
-public class TestRationalClass {
- public static void main(String[] args) {
- Rational r1 = new Rational(2, 1);
- Rational r2 = new Rational(2, 3);
- System.out.println(r1 + " + " + r2 + " = " + r1.add(r2));
- System.out.println(r1 + " - " + r2 + " = " + r1.subtract(r2));
- System.out.println(r1 + " * " + r2 + " = " + r1.multiply(r2));
- System.out.println(r1 + " / " + r2 + " = " + r1.divide(r2));
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0401/Program.java b/works/life/java-practice/javatest/src/javatest/e0401/Program.java deleted file mode 100644 index c7472b8..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0401/Program.java +++ /dev/null @@ -1,72 +0,0 @@ -package javatest.e0401;
-
-public class Program {
- public static boolean equalArea(GeometricObject object1, GeometricObject object2) {
- return object1.findArea() == object2.findArea();
- }
-
- public static void displayGeometricObject(GeometricObject object) {
- if (object instanceof Circle) {
- System.out.println("A Circle.");
- } else if (object instanceof Rectangle) {
- System.out.println("A Rectangle.");
- }
- }
-
- public static void main(String[] args) {
- Circle circle = new Circle(3);
- Rectangle rectangle = new Rectangle(2, 4);
-
- System.out.println(equalArea(circle, rectangle));
- displayGeometricObject(circle);
- displayGeometricObject(rectangle);
- }
-}
-
-abstract class GeometricObject {
- protected String color;
-
- public abstract double findArea();
-
- public abstract double findPerimeter();
-}
-
-class Circle extends GeometricObject {
-
- private double radius;
-
- public Circle(double radius) {
- this.radius = radius;
- }
-
- @Override
- public double findArea() {
- return radius * radius * Math.PI;
- }
-
- @Override
- public double findPerimeter() {
- return radius * 2 * Math.PI;
- }
-}
-
-class Rectangle extends GeometricObject {
-
- private double width;
- private double height;
-
- public Rectangle(double width, double height) {
- this.width = width;
- this.height = height;
- }
-
- @Override
- public double findArea() {
- return width * height;
- }
-
- @Override
- public double findPerimeter() {
- return (width + height) * 2;
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0402/Person.java b/works/life/java-practice/javatest/src/javatest/e0402/Person.java deleted file mode 100644 index b7e0e14..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0402/Person.java +++ /dev/null @@ -1,40 +0,0 @@ -package javatest.e0402;
-
-public class Person {
- public void cut() {
- }
-
- public static void main(String[] args) {
- Person player = new Player();
- Person cooker = new Cooker();
- Person cuter = new Cuter();
-
- player.cut();
- cooker.cut();
- cuter.cut();
- }
-}
-
-/** 演员 */
-class Player extends Person {
- /** 重写 */
- public void cut() {
- System.out.println("停止演戏");
- }
-}
-
-/** 厨师 */
-class Cooker extends Person {
- /** 重写 */
- public void cut() {
- System.out.println("开始切菜");
- }
-}
-
-/** 厨师 */
-class Cuter extends Person {
- /** 重写 */
- public void cut() {
- System.out.println("开始剪头发");
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0501/Main.java b/works/life/java-practice/javatest/src/javatest/e0501/Main.java deleted file mode 100644 index 7639bc8..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0501/Main.java +++ /dev/null @@ -1,93 +0,0 @@ -package javatest.e0501;
-
-import java.util.Scanner;
-
-interface Soundable {
- void makeSound();
-
- void turnUpVolumn();
-
- void turnDownVolumn();
-}
-
-class Radio implements Soundable {
- private int volumn = 5;
-
- @Override
- public void makeSound() {
- System.out.println("Radio sound...");
- }
-
- @Override
- public void turnUpVolumn() {
- volumn++;
- }
-
- @Override
- public void turnDownVolumn() {
- volumn--;
- }
-}
-
-class Walkman implements Soundable {
- private int volumn = 5;
-
- @Override
- public void makeSound() {
- System.out.println("Walkman sound...");
- }
-
- @Override
- public void turnUpVolumn() {
- volumn++;
- }
-
- @Override
- public void turnDownVolumn() {
- volumn--;
- }
-}
-
-class Mobilephone implements Soundable {
- private int volumn = 5;
-
- @Override
- public void makeSound() {
- System.out.println("Mobilephone sound...");
- }
-
- @Override
- public void turnUpVolumn() {
- volumn++;
- }
-
- @Override
- public void turnDownVolumn() {
- volumn--;
- }
-}
-
-public class Main {
- public static void main(String[] args) {
- Scanner scanner = new Scanner(System.in);
- String t = scanner.next();
- Soundable soundable = null;
-
- switch (t) {
- case "radio":
- soundable = new Radio();
- break;
- case "walkman":
- soundable = new Walkman();
- break;
- case "mobilephone":
- soundable = new Mobilephone();
- break;
- default:
- System.out.println("Unknown device.");
- System.exit(1);
- }
-
- soundable.makeSound();
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0502/Main.java b/works/life/java-practice/javatest/src/javatest/e0502/Main.java deleted file mode 100644 index 405a278..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0502/Main.java +++ /dev/null @@ -1,101 +0,0 @@ -package javatest.e0502;
-
-abstract class Animal {
- public Animal(String name, String color, String type) {
- super();
- this.name = name;
- this.color = color;
- this.type = type;
- }
-
- private String name;
- private String color;
- private String type;
-
- abstract void eat();
-
- abstract void makeSound();
-
- public String getName() {
- return name;
- }
-
- public void setName(String name) {
- this.name = name;
- }
-
- public String getColor() {
- return color;
- }
-
- public void setColor(String color) {
- this.color = color;
- }
-
- public String getType() {
- return type;
- }
-
- public void setType(String type) {
- this.type = type;
- }
-}
-
-class Rabbit extends Animal {
- public Rabbit() {
- super("兔子", "白色", "哺乳类");
- }
-
- @Override
- public void eat() {
- System.out.println("兔子吃...");
- }
-
- @Override
- public void makeSound() {
- System.out.println("兔子叫...");
- }
-}
-
-interface Swimmable {
- void swim();
-}
-
-class Frog extends Animal implements Swimmable {
- public Frog() {
- super("青蛙", "绿色", "非哺乳类");
- }
-
- @Override
- public void eat() {
- System.out.println("青蛙吃...");
- }
-
- @Override
- public void makeSound() {
- System.out.println("青蛙叫...");
- }
-
- @Override
- public void swim() {
- System.out.println("青蛙游泳...");
- }
-}
-
-public class Main {
- public static void main(String[] args) {
- Rabbit rabbit = new Rabbit();
- Frog frog = new Frog();
-
- Animal animal = rabbit;
- animal.eat();
- animal.makeSound();
-
- animal = frog;
- animal.eat();
- animal.makeSound();
-
- Swimmable swimmable = frog;
- swimmable.swim();
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0701/Main.java b/works/life/java-practice/javatest/src/javatest/e0701/Main.java deleted file mode 100644 index 0211750..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0701/Main.java +++ /dev/null @@ -1,25 +0,0 @@ -package javatest.e0701;
-
-public class Main {
- private static int countSubstring(String string, String substring) {
- int count = 0;
- int currentIndex = 0;
-
- while (true) {
- int i = string.indexOf(substring, currentIndex);
- if (i == -1)
- break;
- count++;
- currentIndex = i + 1;
- }
-
- return count;
- }
-
- public static void main(String[] args) {
- String string = "ababaaba";
- String substring = "aba";
-
- System.out.println(substring + "在" + string + "中出现了" + countSubstring(string, substring) + "次！");
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/e0702/Main.java b/works/life/java-practice/javatest/src/javatest/e0702/Main.java deleted file mode 100644 index 15ececc..0000000 --- a/works/life/java-practice/javatest/src/javatest/e0702/Main.java +++ /dev/null @@ -1,15 +0,0 @@ -package javatest.e0702;
-
-import java.util.*;
-import java.time.*;
-import java.time.format.DateTimeFormatter;
-
-public class Main {
- public static void main(String[] args) {
- try (Scanner scanner = new Scanner(System.in)) {
- LocalDateTime birthday = LocalDate.parse(scanner.nextLine(), DateTimeFormatter.ISO_DATE).atStartOfDay();
- LocalDateTime now = LocalDate.now().atStartOfDay();
- System.out.println("你的生日距今天" + Duration.between(birthday, now).toDays() + "天！");
- }
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0301/AreaAndLength.java b/works/life/java-practice/javatest/src/javatest/p0301/AreaAndLength.java deleted file mode 100644 index 5216fb1..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0301/AreaAndLength.java +++ /dev/null @@ -1,120 +0,0 @@ -package javatest.p0301;
-
-class Trangle {
- double sideA, sideB, sideC, area, length;
- boolean boo;
-
- public Trangle(double a, double b, double c) {
- sideA = a;
- sideB = b;
- sideC = c;// 参数a,b,c分别赋值给sideA,sideB,sideC
- if (a + b > c && a + c > b && c + b > a) // a,b,c构成三角形的条件表达式
- {
- boo = true; // 给boo赋值。
- } else {
- boo = false; // 给boo赋值。
- }
- }
-
- double getLength() {
- if (boo) {
- length = sideA + sideB + sideC;
- return length;
- } else {
- System.out.println("不是一个三角形,不能计算周长");
- return 0;
- }
- // 方法体，要求计算出length的值并返回
- }
-
- public double getArea() {
- if (boo) {
- double p = (sideA + sideB + sideC) / 2.0;
- area = Math.sqrt(p * (p - sideA) * (p - sideB) * (p - sideC));
- return area;
- } else {
- System.out.println("不是一个三角形,不能计算面积");
- return 0;
- }
- }
-
- public void setABC(double a, double b, double c) {
- sideA = a;
- sideB = b;
- sideC = c; // 参数a,b,c分别赋值给sideA,sideB,sideC
- if (a + b > c && a + c > b && c + b > a) // a,b,c构成三角形的条件表达式
- {
- boo = true; // 给boo赋值。
- } else {
- boo = false; // 给boo赋值。
- }
- }
-}
-
-class Lader {
- double above, bottom, height, area;
-
- Lader(double a, double b, double h) {
- above = a;
- bottom = b;
- height = h;
- // 方法体，将参数a,b,c分别赋值给above,bottom,height
- }
-
- double getArea() {
- area = (above + bottom) / 2 * height;
- return area;
- // 方法体，,要求计算出area返回
- }
-}
-
-class Circle {
- double radius, area;
-
- Circle(double r) {
- radius = r; // 方法体
- }
-
- double getArea() {
- return 3.14 * radius * radius; // 方法体，要求计算出area返回
- }
-
- double getLength() {
- return 3.14 * 2 * radius; // getArea方法体的代码,要求计算出length返回
- }
-
- void setRadius(double newRadius) {
- radius = newRadius;
- }
-
- double getRadius() {
- return radius;
- }
-}
-
-public class AreaAndLength {
- public static void main(String args[]) {
- double length, area;
- Circle circle = null;
- Trangle trangle;
- Lader lader;
- circle = new Circle(10); // 创建对象circle
- trangle = new Trangle(3, 4, 5);// 创建对象trangle。
- lader = new Lader(3, 4, 10); // 创建对象lader
- length = circle.getLength(); // circle调用方法返回周长并赋值给length
- System.out.println("圆的周长:" + length);
- area = circle.getArea();// circle调用方法返回面积并赋值给area
- System.out.println("圆的面积:" + area);
- length = trangle.getLength(); // trangle调用方法返回周长并赋值给length
- System.out.println("三角形的周长:" + length);
- area = trangle.getArea(); // trangle调用方法返回面积并赋值给area
- System.out.println("三角形的面积:" + area);
- area = lader.getArea(); // lader调用方法返回面积并赋值给area
- System.out.println("梯形的面积:" + area);
- trangle.setABC(12, 34, 1); // trangle调用方法设置三个边，要求将三个边修改为12,34,1。
- area = trangle.getArea(); // trangle调用方法返回面积并赋值给area
- System.out.println("三角形的面积:" + area);
- length = trangle.getLength(); // trangle调用方法返回周长并赋值给length
- System.out.println("三角形的周长:" + length);
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0302/Example.java b/works/life/java-practice/javatest/src/javatest/p0302/Example.java deleted file mode 100644 index 600a899..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0302/Example.java +++ /dev/null @@ -1,47 +0,0 @@ -package javatest.p0302;
-
-class A {
- float a; // 声明一个float型实例变量a
- static float b; // 声明一个float型类变量b,即static变量b
-
- void setA(float a) {
- this.a = a; // 将参数a的值赋值给成员变量a
- }
-
- void setB(float b) {
- this.b = b; // 将参数b的值赋值给成员变量b
- }
-
- float getA() {
- return a;
- }
-
- float getB() {
- return b;
- }
-
- void inputA() {
- System.out.println(a);
- }
-
- static void inputB() {
- System.out.println(b);
- }
-}
-
-public class Example {
- public static void main(String args[]) {
- A.b = 100; // 通过类名操作类变量b,并赋值100
- A.inputB(); // 通过类名调用方法inputB()
- A cat = new A();
- A dog = new A();
- cat.setA(200); // cat象调用方法setA(int a)将cat的成员a的值设置为200
- cat.setB(400); // cat调用方法setB(int b)将cat的成员b的值设置为400
- dog.setA(150); // dog象调用方法setA(int a)将dog的成员a的值设置为150
- dog.setB(300); // dog调用方法setB(int b)将dog的成员b的值设置为300
- cat.inputA(); // cat调用inputA()。
- cat.inputB(); // cat调用inputB()。
- dog.inputA(); // dog调用inputA()。
- dog.inputB(); // dog调用inputB()。
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0303/SunRise.java b/works/life/java-practice/javatest/src/javatest/p0303/SunRise.java deleted file mode 100644 index dbd964c..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0303/SunRise.java +++ /dev/null @@ -1,12 +0,0 @@ -package javatest.p0303;
-
-import javatest.p0303.sub.*;
-
-class SunRise {
- public static void main(String args[]) {
- SquareEquation equation = new SquareEquation(4, 5, 1);
- equation.getRoots();
- equation.setCoefficient(-3, 4, 5);
- equation.getRoots();
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0303/sub/SquareEquation.java b/works/life/java-practice/javatest/src/javatest/p0303/sub/SquareEquation.java deleted file mode 100644 index 0d7546c..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0303/sub/SquareEquation.java +++ /dev/null @@ -1,46 +0,0 @@ -package javatest.p0303.sub;
-
-public class SquareEquation {
- double a, b, c;
- double root1, root2;
- boolean boo;
-
- public SquareEquation(double a, double b, double c) {
- this.a = a;
- this.b = b;
- this.c = c;
- if (a != 0) {
- boo = true;
- } else {
- boo = false;
- }
- }
-
- public void getRoots() {
- if (boo) {
- System.out.println("是一元2次方程");
- double disk = b * b - 4 * a * c;
- if (disk >= 0) {
- root1 = (-b + Math.sqrt(disk)) / (2 * a);
- root2 = (-b - Math.sqrt(disk)) / (2 * a);
- System.out.printf("方程的根:%f,%f\n", root1, root2);
- } else {
- System.out.printf("方程没有实根\n");
- }
-
- } else {
- System.out.println("不是一元2次方程");
- }
- }
-
- public void setCoefficient(double a, double b, double c) {
- this.a = a;
- this.b = b;
- this.c = c;
- if (a != 0) {
- boo = true;
- } else {
- boo = false;
- }
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0401/Example.java b/works/life/java-practice/javatest/src/javatest/p0401/Example.java deleted file mode 100644 index d673821..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0401/Example.java +++ /dev/null @@ -1,113 +0,0 @@ -package javatest.p0401;
-
-class People {
- protected double weight, height;
-
- public void speakHello() {
- System.out.println("yayawawa");
- }
-
- public void averageHeight() {
- height = 173;
- System.out.println("average height:" + height);
- }
-
- public void averageWeight() {
- weight = 70;
- System.out.println("average weight:" + weight);
- }
-}
-
-class ChinaPeople extends People {
- public void speakHello() {
- System.out.println("你好,吃饭了吗?");
- }
-
- // 重写public void speakHello()方法，要求输出类似“你好，吃了吗”这样的
- // 汉语信息
- public void averageHeight() {
- height = 173;
- System.out.println("中国人的平均身高：" + height + "厘米");
- }
-
- // 重写public void averageHeight()方法，要求输出类似
- // “中国人的平均身高：168.78厘米”这样的汉语信息
- public void averageWeight() {
- weight = 67.34;
- System.out.println("中国人的平均体重：" + weight + "公斤");
- }
-
- // 重写public void averageWeight()方法，
- // 要求输出类似“中国人的平均体重：65公斤”这样的汉语信息
- public void chinaGongfu() {
- System.out.println("坐如钟,站如松,睡如弓");// 输出中国武术的信息，例如："坐如钟,站如松,睡如弓"等
- }
-}
-
-class AmericanPeople extends People {
- public void speakHello() {
- System.out.println("How do You do");
- }
-
- // 重写public void speakHello()方法，要求输出类似
- // “How do you do”这样的英语信息。
- public void averageHeight() {
- height = 188;
- System.out.println("Amerian Average height:" + height + " cm");
- }
-
- // 重写public void averageHeight()方法
- public void averageWeight() {
- weight = 80.23;
- System.out.println("Amerian Average weight:" + weight + " kg");
- }
-
- // 重写public void averageWeight()方法
- public void americanBoxing() {
- System.out.println("直拳、钩拳");// 输出拳击的信息，例如，“直拳”、“钩拳”等
- }
-}
-
-class BeijingPeople extends ChinaPeople {
- public void speakHello() {
- System.out.println("您好");
- }
-
- // 重写public void speakHello()方法，要求输出类似“您好”这样的汉语信息
- public void averageHeight() {
- height = 16;
- System.out.println("北京人的平均身高：" + height + "厘米");
- }
-
- // 重写public void averageHeight()方法
- public void averageWeight() {
- weight = 6;
- System.out.println("北京人的平均体重：" + weight + "公斤");
- }
-
- // 重写public void averageWeight()方法
- public void beijingOpera() {
- System.out.println("京剧术语");// 输出京剧的信息
- }
-}
-
-public class Example {
- public static void main(String args[]) {
- ChinaPeople chinaPeople = new ChinaPeople();
- AmericanPeople americanPeople = new AmericanPeople();
- BeijingPeople beijingPeople = new BeijingPeople();
- chinaPeople.speakHello();
- americanPeople.speakHello();
- beijingPeople.speakHello();
- chinaPeople.averageHeight();
- americanPeople.averageHeight();
- beijingPeople.averageHeight();
- chinaPeople.averageWeight();
- americanPeople.averageWeight();
- beijingPeople.averageWeight();
- chinaPeople.chinaGongfu();
- americanPeople.americanBoxing();
- beijingPeople.beijingOpera();
- beijingPeople.chinaGongfu();
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0402/Subroutine.java b/works/life/java-practice/javatest/src/javatest/p0402/Subroutine.java deleted file mode 100644 index 6b11ace..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0402/Subroutine.java +++ /dev/null @@ -1,23 +0,0 @@ -package javatest.p0402;
-
-class Parent { // 父类
- Parent() {
- System.out.println("调用父类的parent()构造方法");
- }
-}
-
-class SubParent extends Parent { // 继承Parent类
- SubParent() {
- System.out.println("调用子类的SubParent()构造方法");
- }
-}
-
-public class Subroutine extends SubParent { // 继承SubParent类
- Subroutine() {
- System.out.println("调用子类的Subroutine()构造方法");
- }
-
- public static void main(String[] args) {
- Subroutine s = new Subroutine(); // 实例化子类对象
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0403/Parallelogram.java b/works/life/java-practice/javatest/src/javatest/p0403/Parallelogram.java deleted file mode 100644 index 329aa80..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0403/Parallelogram.java +++ /dev/null @@ -1,31 +0,0 @@ -package javatest.p0403;
-
-class Quadrangle {
- public static void draw(Quadrangle q) {
- // SomeSentence
- }
-}
-
-class Square extends Quadrangle {
- // SomeSentence
-}
-
-class Anything {
- // SomeSentence
-}
-
-public class Parallelogram extends Quadrangle {
- public static void main(String args[]) {
- Quadrangle q = new Quadrangle(); // 实例化父类对象
- // 判断父类对象是否为Parallelogram子类的一个实例
- if (q instanceof Parallelogram) {
- Parallelogram p = (Parallelogram) q; // 向下转型操作
- }
- // 判断父类对象是否为Parallelogram子类的一个实例
- if (q instanceof Square) {
- Square s = (Square) q; // 进行向下转型操作
- }
- // 由于q对象不为Anything类的对象，所以这条语句是错误的
- // System.out.println(q instanceof Anything);
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0404/Quadrangle.java b/works/life/java-practice/javatest/src/javatest/p0404/Quadrangle.java deleted file mode 100644 index c6b6630..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0404/Quadrangle.java +++ /dev/null @@ -1,36 +0,0 @@ -package javatest.p0404;
-
-public class Quadrangle {
- // 实例化保存四边形对象的数组对象
- private Quadrangle[] qtest = new Quadrangle[6];
- private int nextIndex = 0;
-
- public void draw(Quadrangle q) { // 定义draw()方法，参数为四边形对象
- if (nextIndex < qtest.length) {
- qtest[nextIndex] = q;
- System.out.println(nextIndex);
- nextIndex++;
- }
- }
-
- public static void main(String[] args) {
- // 实例化两个四边形对象，用于调用draw()方法
- Quadrangle q = new Quadrangle();
- q.draw(new Square()); // 以正方形对象为参数调用draw()方法
- // 以平行四边形对象为参数调用draw()方法
- q.draw(new Parallelogramgle());
- }
-}
-
-class Square extends Quadrangle { // 定义一个正方形类，继承四边形类
- public Square() {
- System.out.println("正方形");
- }
-}
-
-// 定义一个平行四边形类，继承四边形类
-class Parallelogramgle extends Quadrangle {
- public Parallelogramgle() {
- System.out.println("平行四边形");
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0501/HardWork.java b/works/life/java-practice/javatest/src/javatest/p0501/HardWork.java deleted file mode 100644 index b4121af..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0501/HardWork.java +++ /dev/null @@ -1,60 +0,0 @@ -package javatest.p0501;
-
-abstract class Employee {
- public abstract double earnings();
-}
-
-class YearWorker extends Employee {
- public double earnings() {
- return 50000.456;
- }
- // 重写earnings()方法
-}
-
-class MonthWorker extends Employee {
- public double earnings() {
- return 12 * 2300;
- }
- // 重写earnings()方法。
-}
-
-class WeekWorker extends Employee {
- public double earnings() {
- return 52 * 500;
- }
- // 重写earnings()方法。
-}
-
-class Company {
- Employee[] employee;
- double salaries = 0;
-
- Company(Employee[] employee) {
- this.employee = employee;
- }
-
- public double salariesPay() {
- salaries = 0;
- for (int i = 0; i < employee.length; i++) {
- salaries = salaries + employee[i].earnings();
- }
- // 计算salaries。
- return salaries;
- }
-}
-
-public class HardWork {
- public static void main(String args[]) {
- Employee[] employee = new Employee[20];
- for (int i = 0; i < employee.length; i++) {
- if (i % 3 == 0)
- employee[i] = new WeekWorker();
- else if (i % 3 == 1)
- employee[i] = new MonthWorker();
- else if (i % 3 == 2)
- employee[i] = new YearWorker();
- }
- Company company = new Company(employee);
- System.out.println("公司年工资总额:" + company.salariesPay());
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0502/Road.java b/works/life/java-practice/javatest/src/javatest/p0502/Road.java deleted file mode 100644 index 7731494..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0502/Road.java +++ /dev/null @@ -1,70 +0,0 @@ -package javatest.p0502;
-
-interface ComputerWeight {
- public double computeWeight();
-}
-
-class Television implements ComputerWeight {
- public double computeWeight() {
- return 45.5;
- }
- // 实现computeWeight()方法。
-}
-
-class Computer implements ComputerWeight {
- public double computeWeight() {
- return 65.5;
- }
- // 实现computeWeight()方法。
-}
-
-class WashMachine implements ComputerWeight {
- public double computeWeight() {
- return 145;
- }
- // 实现computeWeight()方法。
-}
-
-class Car {
- ComputerWeight[] goods;
- double totalWeights = 0;
-
- Car(ComputerWeight[] goods) {
- this.goods = goods;
- }
-
- public double getTotalWeights() {
- totalWeights = 0;
- for (int k = 0; k < goods.length; k++) {
- totalWeights = totalWeights + goods[k].computeWeight();
- }
- // 计算totalWeights
- return totalWeights;
- }
-}
-
-public class Road {
- public static void main(String args[]) {
- ComputerWeight[] goodsOne = new ComputerWeight[50], goodsTwo = new ComputerWeight[22];
- for (int i = 0; i < goodsOne.length; i++) {
- if (i % 3 == 0)
- goodsOne[i] = new Television();
- else if (i % 3 == 1)
- goodsOne[i] = new Computer();
- else if (i % 3 == 2)
- goodsOne[i] = new WashMachine();
- }
- for (int i = 0; i < goodsTwo.length; i++) {
- if (i % 3 == 0)
- goodsTwo[i] = new Television();
- else if (i % 3 == 1)
- goodsTwo[i] = new Computer();
- else if (i % 3 == 2)
- goodsTwo[i] = new WashMachine();
- }
- Car 大货车 = new Car(goodsOne);
- System.out.println("大货车装载的货物重量:" + 大货车.getTotalWeights());
- Car 小货车 = new Car(goodsTwo);
- System.out.println("小货车装载的货物重量:" + 小货车.getTotalWeights());
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0503/QuadrangleUseInterface.java b/works/life/java-practice/javatest/src/javatest/p0503/QuadrangleUseInterface.java deleted file mode 100644 index 6cead68..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0503/QuadrangleUseInterface.java +++ /dev/null @@ -1,46 +0,0 @@ -package javatest.p0503;
-
-interface drawTest { // 定义接口
- public void draw(); // 定义方法
-}
-
-// 定义平行四边形类，该类继承了四边形类，并实现了drawTest接口
-class ParallelogramgleUseInterface extends QuadrangleUseInterface implements drawTest {
- public void draw() { // 由于该类实现了接口，所以需要覆盖draw()方法
- System.out.println("平行四边形.draw()");
- }
-
- void doAnyThing() { // 覆盖父类方法
- // SomeSentence
- }
-}
-
-class SquareUseInterface extends QuadrangleUseInterface implements drawTest {
- public void draw() {
- System.out.println("正方形.draw()");
- }
-
- void doAnyThing() {
- // SomeSentence
- }
-}
-
-class AnyThingUseInterface extends QuadrangleUseInterface {
- void doAnyThing() {
-
- }
-}
-
-public class QuadrangleUseInterface { // 定义四边形类
- public void doAnyTthing() {
- // SomeSentence
- }
-
- public static void main(String[] args) {
- drawTest[] d = { // 接口也可以进行向上转型操作
- new SquareUseInterface(), new ParallelogramgleUseInterface() };
- for (int i = 0; i < d.length; i++) {
- d[i].draw(); // 调用draw()方法
- }
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0701/StringExample.java b/works/life/java-practice/javatest/src/javatest/p0701/StringExample.java deleted file mode 100644 index be2c7b9..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0701/StringExample.java +++ /dev/null @@ -1,45 +0,0 @@ -package javatest.p0701;
-
-public class StringExample {
- public static void main(String args[]) {
- String s1 = new String("you are a student"), s2 = new String("how are you");
- if (s1.equals(s2)) // 使用equals方法判断s1与s2是否相同
- {
- System.out.println("s1与s2相同");
- } else {
- System.out.println("s1与s2不相同");
- }
- String s3 = new String("22030219851022024");
- if (s3.startsWith("220302")) // 判断s3的前缀是否是“220302”。
- {
- System.out.println("吉林省的身份证");
- }
- String s4 = new String("你"), s5 = new String("我");
- if (s4.compareTo(s5) > 0)// 按着字典序s4大于s5的表达式。
- {
- System.out.println("按字典序s4大于s5");
- } else {
- System.out.println("按字典序s4小于s5");
- }
- int position = 0;
- String path = "c:\\java\\jsp\\A.java";
- position = path.lastIndexOf('\\'); // 获取path中最后出现目录分隔符号的位置
- System.out.println("c:\\java\\jsp\\A.java中最后出现\\的位置:" + position);
- String fileName = path.substring(12, 18); // 获取path中“A.java”子字符串。
- System.out.println("c:\\java\\jsp\\A.java中含有的文件名:" + fileName);
- String s6 = new String("100"), s7 = new String("123.678");
- int n1 = Integer.parseInt(s6); // 将s6转化成int型数据。
- double n2 = Double.parseDouble(s7); // 将s7转化成double型数据。
- double m = n1 + n2;
- System.out.println(m);
- String s8 = String.valueOf(m); // String调用valuOf(int n)方法将m转化为字符串对象
- position = s8.indexOf(".");
- String temp = s8.substring(position + 1);
- System.out.println("数字" + m + "有" + temp.length() + "位小数");
- String s9 = new String("ABCDEF");
- char a[] = s8.toCharArray(); // 将s8存放到数组a中。
- for (int i = a.length - 1; i >= 0; i--) {
- System.out.print(" " + a[i]);
- }
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0702/DateExample.java b/works/life/java-practice/javatest/src/javatest/p0702/DateExample.java deleted file mode 100644 index 74e4901..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0702/DateExample.java +++ /dev/null @@ -1,40 +0,0 @@ -package javatest.p0702;
-
-import java.util.*;
-import java.time.*;
-
-import javax.swing.JOptionPane;
-
-public class DateExample {
- public static void main(String args[]) {
- String str = JOptionPane.showInputDialog("输入第一个日期的年份:");
- int yearOne = Integer.parseInt(str);
- str = JOptionPane.showInputDialog("输入该年的月份:");
- int monthOne = Integer.parseInt(str);
- str = JOptionPane.showInputDialog("输入该月份的日期:");
- int dayOne = Integer.parseInt(str);
- str = JOptionPane.showInputDialog("输入第二个日期的年份:");
- int yearTwo = Integer.parseInt(str);
- str = JOptionPane.showInputDialog("输入该年的月份:");
- int monthTwo = Integer.parseInt(str);
- str = JOptionPane.showInputDialog("输入该月份的日期:");
- int dayTwo = Integer.parseInt(str);
- Calendar calendar = Calendar.getInstance(); // 初始化日历对象
- calendar.set(yearOne, monthOne, dayOne); // 将calendar的时间设置为yearOne年monthOne月dayOne日
- long timeOne = calendar.getTimeInMillis(); // calendar表示的时间转换成毫秒
- calendar.set(yearTwo, monthTwo, dayTwo); // 将calendar的时间设置为yearTwo年monthTwo月dayTwo日
- long timeTwo = calendar.getTimeInMillis(); // calendar表示的时间转换成毫秒。
- Date date1 = new Date(timeOne); // 用timeOne做参数构造date1
- Date date2 = new Date(timeTwo); // 用timeTwo做参数构造date2
- if (date2.equals(date1)) {
- System.out.println("两个日期的年、月、日完全相同");
- } else if (date2.after(date1)) {
- System.out.println("您输入的第二个日期大于第一个日期");
- } else if (date2.before(date1)) {
- System.out.println("您输入的第二个日期小于第一个日期");
- }
- long days = Duration.between(date1.toInstant(), date2.toInstant()).toDays();// 计算两个日期相隔天数
- System.out.println(yearOne + "年" + monthOne + "月" + dayOne + "日和" + yearTwo + "年" + monthTwo + "月" + dayTwo
- + "相隔" + days + "天");
- }
-}
diff --git a/works/life/java-practice/javatest/src/javatest/p0703/BigIntegerExample.java b/works/life/java-practice/javatest/src/javatest/p0703/BigIntegerExample.java deleted file mode 100644 index 05b2e38..0000000 --- a/works/life/java-practice/javatest/src/javatest/p0703/BigIntegerExample.java +++ /dev/null @@ -1,29 +0,0 @@ -package javatest.p0703;
-
-import java.math.*;
-
-class BigIntegerExample {
- public static void main(String args[]) {
- BigInteger n1 = new BigInteger("987654321987654321987654321"),
- n2 = new BigInteger("123456789123456789123456789"), result = null;
- result = n1.add(n2); // n1和n2做加法运算
- System.out.println("和:" + result.toString());
- result = n1.subtract(n2);// n1和n2做减法运算
- System.out.println("差:" + result.toString());
- result = n1.multiply(n2);// n1和n2做乘法运算
- System.out.println("积:" + result.toString());
- result = n1.divide(n2);// n1和n2做除法运算
- System.out.println("商:" + result.toString());
- BigInteger m = new BigInteger("1968957"), COUNT = new BigInteger("0"), ONE = new BigInteger("1"),
- TWO = new BigInteger("2");
- System.out.println(m.toString() + "的因子有:");
- for (BigInteger i = TWO; i.compareTo(m) < 0; i = i.add(ONE)) {
- if ((n1.remainder(i).compareTo(BigInteger.ZERO)) == 0) {
- COUNT = COUNT.add(ONE);
- System.out.print(" " + i.toString());
- }
- }
- System.out.println("");
- System.out.println(m.toString() + "一共有" + COUNT.toString() + "个因子");
- }
-}
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