inputstreamread.java~16~

来自「提供了常用的JAVA技术的示例」· JAVA~16~ 代码 · 共 21 行

package InputStreamReader;

import java.io.*;

public class InputStreamRead {
    public static void main(String args[])throws IOException {
        InputStreamReader ir=new InputStreamReader(System.in);
        BufferedReader in=new BufferedReader(ir);
        System.out.println("input I: ");
        int i;
        try{
          i=(int)in.readLine();
          System.out.print(i);
        }
        catch(NumberFormatException e){
          System.out.println("输入错误！");
          System.out.println("错误信息："+e);
        }

    }
}