Java基础-循环实例

循环输出123

public class forCase {
    public static void main(String[] args) {
        System.out.println("-------for循环-------");
        for(int i=1;i<=3;i++){
            System.out.println(i);
        }
        System.out.println("-------foreach循环-------");
        Integer [] a=new Integer[]{1,2,3};
        for (Integer s:a) {
            System.out.println(s);
        }
        System.out.println("-------while循环-------");
        int m = 1;
        while (m<=3){
            System.out.println(m);
            m++;
        }
        System.out.println("-------do while循环-------");
        int n=1;
        do {
            System.out.println(n);
            n++;
        }while (n<=3);
        System.out.println("-------End-------");
    }
}