独角兽企业重金招聘Python工程师标准>>>
增强for循环(foreach)
java8代码示例
public class Foreach {public static void main(String[] args) {int[] arr=new int[]{1,2,3,4,5};for(int index=0;index<arr.length;index++){System.out.println(arr[index]);}System.out.println("~~~~~~~~~~~~~~~~");for(int i:arr){System.out.println(i);}System.out.println("~~~~~~~~~~~~~~~~");for(int j:arr){System.out.println(arr[j-1]);}}}
java8代码示例运行结果
12345~~~~~~~~~~~~~~~~12345~~~~~~~~~~~~~~~~12345