java程序代码大全 java新手代码大全

package cn.shijie.test; import java.util.ArrayList; import java.util.List; import java.util.Scanner; public class test1 { static mproduct m1 = new mproduct(); static mproduct m2 = .

public class HelloWorld{ public static void main(String[] args){ System.out.println(＂hello world!＂); } }

package com.zpp;public class Charge { public static void main(String [] args) { if(args.length ==0) { System.out.println(＂parameter error!＂); System.out.println(＂java com..

class Person{//Persion类 String name;//String类变量,未初始化,默认null int age;//. {//TestObjectArray公共类,java文件的文件名需和公共类值相同,这段代码必须出现在.

public abstract class Light { private int wa; private boolean open; public Light(){ } . { this.length = length; } //test code public static void main(String[] args) { Light light = new .

public class IntegerTest{ int x; int y; public IntegerTest(int x,int y) { this.x=x; this.y=y; } public int sum() { return this.x+this.y; } public int minus() { return this.x-this.y; } public int .

public class TestStar { public static void main(String[] args) { String star = ＂*＂; for (int i = 0; i < 5; i++) { if (i == 0) { System.out.print(＂ ＂ + star); System.out.println(); } if (i == .

public class Demo3 { public static void main(String[] args) { byte a =1; short b=1; int c = 1; long d = 1l; float e=1f; double f =1; char g ='1'; boolean h = true; System.out.println(＂.

public void 2B{ public static void main (String []args ){ system.out.println(＂hello kitty＂); } }

class Trangle { double sideA,sideB,sideC,area,length;boolean boo; public Trangle(double a,double b,double c) { a=sideA; b=sideB; c=sideC; if(a+b>c && a+c>b && a+c>.