最赞回答 / 慕设计0306528
<...code...>package com.lianxi;public class text1 { public static void main(String[] args) { int num = 999; int count = 0; if(num>=0&&num<=999999999){ while(num!=0){ count++; num/=10; ...
2018-07-24
已采纳回答 / ArrayzZ
<...code...>System.out.println("a等于b:" + (a ==b));System.out.println("a大于b:" + (a >b));System.out.println("a小于等于b:" + (a <=b));System.out.println("str1等于str2:" + (str1 == str2));
2018-07-24