题解 | #句子逆序#

package 牛客网.华为机试;

import java.util.LinkedList;
import java.util.Scanner;
import java.util.Stack;

public class PhraseReverse {

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    String input = sc.nextLine();
    StringBuilder tmp = new StringBuilder();
    int last = input.lastIndexOf(' ');
    while(last != 0){
        System.out.print(input.substring(last + 1,input.length()) + " ");
        if (last == -1) {
           break;
        }

        input = input.substring(0, last);
        last = input.lastIndexOf(' ');

    }
}

}