import java.util.Queue; import java.util.concurrent.LinkedBlockingDeque;

//一定要检查一下最后有没有多一个空格。 public class Solution { public String ReverseSentence(String str) { if(str.equals("")) return ""; String[] strings = str.split(" "); for(int i = 0;i < strings.length;i++) { strings[i] = reverse(strings[i]); }

	String newstr = "";
	for(int i = strings.length-1;i >= 0;i--) {
		if(i != 0) newstr += strings[i] + " ";
		else newstr += strings[i];
	}
	
	return newstr;
}

public String reverse(String str) {
	char[] cs = str.toCharArray();
	String newstr = "";
	for(int i = 0;i < cs.length;i++) {
		newstr += cs[i];
	}
	
	return newstr;
}

}