java 解析键值对字符串 java键盘读取字符串

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;


public class IO{

     

     /** Creates a new instance of IO */

     public IO() {

     }

     

     /**

      * 读取输入的字符串

      */

     public static String getString() throws IOException{

         InputStreamReader isr = new InputStreamReader(System.in);

         BufferedReader br= new BufferedReader(isr);

         String s = br.readLine();

         return s;

     }


     /**

      *读取一个字符

      */

     public static char getChar() throws IOException{

        String s = getString();

        return s.charAt(0);

      }

     

     /**

      * 读取键盘输入的数字

      */

     public static int getInt() throws IOException{

         String s = getString();

         return Integer.parseInt(s);

     }

}