字符串单词反转

来源：互联网发布：安卓 windows 如何切换编辑：程序博客网时间：2024/05/22 08:26

输入：Many People In Room GHHSAaasABt

输出：Ynam Elpoep Ni Moor TBASAaasHHg

package interview;public class ReverseWord {public static final StringBuffer sb = new StringBuffer();public static void main(String[] args){String str = "Many People In Room GHHSAaasABt";String[] strArray = str.split(" ");for (String temp : strArray) {reverseArray(temp);}System.out.println(sb);}public static void reverseArray(String arr) {// TODO Auto-generated method stubchar[] cha = arr.toCharArray();for(int start=0,end=cha.length-1;start<end;end--,start++){int[] flag = new int[cha.length];int index = 0;if(Character.isUpperCase(cha[start]) && Character.isUpperCase(cha[end]) ){  //如果交换的两个字符都是大写，则直接交换char temp = cha[start];cha[start] = cha[end];cha[end] = temp;}else{ //将大写字母的脚标记录下来，并且把大写字母转换成小写char temp = cha[start];if(Character.isUpperCase(temp)){flag[index] = start;index++;temp = Character.toLowerCase(temp);}cha[start] = cha[end];cha[end] = temp;for (int i : flag) { cha[i] =  Character.toUpperCase(cha[i]);}}}sb.append(new String(cha)+" ");}}

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