题目描述: 写一个函数,实现输入一个字符串,然后把其中的元音字母倒叙 注意 元音字母包含大小写,元音字母有五个a,e,i,o,u 原文描述: Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Given s = "hello", return "holle". Example 2: Given s = "leet
[抄题]: S and T are strings composed of lowercase letters. In S, no letter occurs more than once. S was sorted in some custom order previously. We want to permute the characters of T so that they match the order that S was sorted. More specifically, if
一.String常用的方法: 1. == 实质比较两个对象的地址数值 String a = "hello" (hello为匿名对象) String a1 = "hello" String b = new String("hello") String b1 = new String("hello").intern String c = b; a == b ----------> false false的原因:ne