JAVA数组的定义和使用方法实例

JAVA数组的定义和使用方法实例

//保存为array.java

public class array

{

public static void main (String args[ ])

{

System.out.println("第一种方法");

int AB[];

AB=new int[3];

AB[0]=1; AB[1]=2; AB[2]=3;

System.out.println(AB[0]);

System.out.println(AB[1]);

System.out.println(AB[2]);

System.out.println("第二种方法");

int AC[]=new int[2];

AC[0]=100; AC[1]=200;

System.out.println(AC[0]);

System.out.println(AC[1]);

System.out.println("第三种方法");

String ADd[]={"数学","语文","英语","计算机"};

System.out.println(ADd[0]);

System.out.println(ADd[1]);

System.out.println(ADd[2]);

System.out.println(ADd[3]);

System.out.println("输出数组长度");

System.out.println(AB.length);

System.out.println(AC.length);

System.out.println(ADd.length);

}

}

#Java