Java FilterOutputStream

1 什么是Java FilterOutputStream

Java FilterOutputStream类实现OutputStream类。它提供了不同的子类，例如BufferedOutputStream和DataOutputStream。因此，在实际开发中FilterOutputStream很少单独使用。

2 Java FilterOutputStream的语法

public class FilterOutputStream extends OutputStream  

3 Java FilterOutputStream的方法

4 Java FilterOutputStream的例子

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */
/**
 *  Java FilterOutputStream的例子
 */
import java.io.*;

public class Demo {

    public static void main(String[] args) throws IOException {
        File data = new File("D:\\yiidian\\test.txt");
        FileOutputStream file = new FileOutputStream(data);
        FilterOutputStream filter = new FilterOutputStream(file);
        String s="Welcome to Yiidian.";
        byte b[]=s.getBytes();
        filter.write(b);
        filter.flush();
        filter.close();
        file.close();
        System.out.println("Success...");
    }
}

输出结果为：

Success...

test.txt:

Welcome to Yiidian.