滴滴出行2017春招研发工程师笔试题-翻转单词顺序

//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;
}
}