package day1;

import java.io.ByteArrayInputStream;
import java.io.IOException;

public class ByteArrayTester {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        byte[] buff=new byte[]{2,15,67,-1,-9,9};
        ByteArrayInputStream in=new ByteArrayInputStream(buff,1,4);
        int data=in.read();
        while(data!=-1){
            System.out.println(data+" ");
            data=in.read();
        }
        try {
            in.close();//[color=#FF0000]ＢyteArrayInputStream的close()方法实际上不执行任何操作，那为什么要写呢？
还有in对象应该没有销毁吧,个人认为应该加上  in=null;[/color]            
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}

    /**
     * Closing a <tt>ByteArrayInputStream</tt> has no effect. The methods in
     * this class can be called after the stream has been closed without
     * generating an <tt>IOException</tt>.
     * <p>
     */
    public void close() throws IOException {
    }

------解决方案--------------------
在写数据库程序的时，都有像in=null的语句，好让垃圾收集器把它回收，可能在这里写一下会好一些吧。