ReadString java读取字符串

import java.io.BufferedReader;
import java.io.InputStreamReader;
public class ReadString
{
 public ReadString()
 {
  
 }
 public static void main(String [] arguments)throws Exception 
 {
  
  System.out.print("请输入内容:");
  BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  String inputStr = br.readLine();
  System.out.println(inputStr);
  
  int length = inputStr.length();
  //**倒序输出
  for (int i = 1; i <= length;i++)
  {
   String outputStr = inputStr.substring(length-i,length-i+1); 
    System.out.print(outputStr);
  }
  System.out.println();
 }
}