JZ44 翻转单词顺序列
翻转单词顺序列
http://www.nowcoder.com/questionTerminal/3194a4f4cf814f63919d0790578d51f3
使用String.split(" ")
import java.util.*;
public class Solution {
public String ReverseSentence(String str) {
if(str==null||str.length()==0||str.trim().length()==0) return str;
String[] strs=str.trim().split(" ");
StringBuilder b=new StringBuilder();
for(int i=strs.length-1; i>0; i--)
b.append(strs[i]+" ");
b.append(strs[0]);
return b.toString();
}
}
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