inputstreamread.java~12~

来自「提供了常用的JAVA技术的示例」· JAVA~12~ 代码 · 共 20 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{
          String s=in.readLine();
        }
        catch(NumberFormatException e){
          System.out.println(e);
        }
        I=Integer.parseInt(s);
        System.out.print("I="+I);
    }
}