System.in.read()和System.out.write()和println()的问题。
如下测试代码:
package javaio;import java.io.IOException;import java.io.InputStream;/** * Created by IntelliJ IDEA. * User: MJ * Date: 11-10-26 * Time: 上午11:48 * To change this template use File | Settings | File Templates. */public class InputStreamTest { public static void main(String[]ags){ try{ InputStream in=System.in; int indata=in.read(); System.out.write(indata);//(i) System.out.println(); System.out.println(indata);//(ii) byte[] hello = {53}; System.out.write(hello);(iii) //System.out.write((byte )indata); /*OutputStream outputStream=System.out; outputStream.write(indata);*/ } catch (IOException e) { e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates. } }}