testoutputstream.java

来自「一个很好的Java函数实例」· Java 代码 · 共 37 行

package apibook.c3.s1;

import java.io.*;

//测试OutputStream类
public class TestOutputStream {
  public TestOutputStream(InputStream in, OutputStream out) {
    try {
        System.out.print("output one char:");
        out.write(in.read());//输出读入的字符
        out.flush();//刷新流
        System.out.println();
        byte[] inbuf = new byte[10];
        int readsize = in.read(inbuf, 0, 10);//读取一个字节数组
        System.out.print("output one byte array(skip two byte):");
        out.write(inbuf, 2, 6);
        out.flush();//刷新流
        System.out.println();

        in.close();//关闭
        out.close();//关闭
    } catch (IOException e) {
        e.printStackTrace();
    }
  }

  public static void main(String[] args) {
    try {
        InputStream in;
        in = new FileInputStream("TestInputStream.txt");
        TestOutputStream testOutputStream1 = new TestOutputStream(in, System.out);
    } catch (IOException e) {
        e.printStackTrace();
    }
  }

}