已采纳回答 / 天启之魂
错误太多了.....给你贴出来了 自己比较下,还有你最后的else也写错了!public class HelloWorld{ public static void main(String[] args){ int num = 999; int count = 0; if(num>=0 && num<=99999999){ ...
2015-09-25
已采纳回答 / 无动于衷
names={{"tom","jack","mike"},{"zhangsan","lisi","wangwu"}};{"tom","jack","mike"}是一行,它包括3列:"tom","jack","mike"{"zhangsan","lisi","wangwu"}是一行,它包括3列:"zhangsan","lisi","wangwu"
2015-09-24
已采纳回答 / 无动于衷
因为数组的元素是有序的,循环第一次的元素下标是0,下一次的元素是1,接着是2。。。那我直接定义一个循环外的变量int num=0;每次循环都打印出来,再自加,可以吧。package com.briup.collection;public class ArrayCopy { public static void arrayFor(String[] a){ int num=0; for(String s : a){ System.out.println("array["+num+"] = "+s); ...
2015-09-24