滴滴出行2017春招研發工程師筆試題-翻轉單詞順序

//java
public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        while(sc.hasNext()){
            String str = sc.nextLine();
            String[] strs = str.trim().split(" ");
            for(int i = 0; i < strs.length - 1; i++){
                char[] c = strs[i].toCharArray();
                reverse(c);
                System.out.print(c);
                System.out.print(" ");
            }
            char[] c = strs[strs.length - 1].toCharArray();
            reverse(c);
            System.out.print(c);
            System.out.println();
        }
    }
    public static void reverse(char[] c){
        for(int i = 0, j = c.length - 1; i < j; i++,j--){
            char temp = c[i];
            c[i] = c[j];
            c[j] = temp;
        }
    }