HJ12 字符串反转
字符串反转
http://www.nowcoder.com/questionTerminal/e45e078701ab4e4cb49393ae30f1bb04
需要掌握Scanner类、StringBuilder类
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
while (sc.hasNext()){
System.out.println(new StringBuilder(sc.nextLine()).reverse().toString());
}
}
} 
这样才显得专业
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