0.码仙励志

居安思危，思则有备，有备无患。

1.Java输出List

package com.maxian.test;import java.util.ArrayList;
import java.util.List;public class TestList {// 人才写法public static void test1(List<String> list) {int i = 0;try {for (;;) {System.out.println(list.get(i));i++;}} catch (IndexOutOfBoundsException e) {}}// 一般写法public static void test2(List<String> list) {for (String string : list) {System.out.println(string);}}// 一般写法public static void test3(List<String> list) {for (int i = 0; i < list.size(); i++) {System.out.println(list.get(i));}}// 偷懒写法public static void test4(List<String> list) {System.out.println(list.toString());}public static void main(String[] args) {List<String> list = new ArrayList<String>();list.add("aa");list.add("bb");list.add("cc");list.add("dd");System.out.println("test1=====================");test1(list);System.out.println("test2=====================");test2(list);System.out.println("test3=====================");test3(list);System.out.println("test4=====================");test4(list);}}

运行结果