xxg0621
发贴: 9
积分: 0
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于 2004-11-14 14:35
改成"cmd /k cls"就更不行了,我的程序如下,运行之后就会发生IOException,大侠帮我分析分析:
import java.io.*; public class cls { public static void main(String[] args) { //clear the screen(for Windows System) try { Process process = Runtime.getRuntime().exec ("cls"); InputStreamReader ir=new InputStreamReader(process.getInputStream()); LineNumberReader in = new LineNumberReader (ir); String line; while ((line = in.readLine ()) != null) System.out.println(line); } catch (Exception e) { System.err.println ("IOException " + e.getMessage()); } System.out.println("Hello"); System.out.println("How are you!"); } }
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