【IT168 技术文档】
JDK5增强for循环的使用,此语法有很大的缺陷,仅适用于有限的输出 package com.bulktree;
import java.util.ArrayList; import java.util.Collection; /**//* * jdk.15增加的for循环 * */ public class TestFor { public static void main(String[] args) { int[] arr = {1,2,3,4,5,6,7,8,9,0}; for(int i : arr) { System.out.println(i); } Collection c = new ArrayList(); c.add(new String("111")); c.add(new String("222")); c.add(new String("333")); c.add(new String("444")); c.add(new String("555")); c.add(new String("666")); c.add(new String("777")); c.add(new String("888")); c.add(new String("999")); c.add(new String("000")); for(Object o : c) { System.out.println(o); } } }