package com.hephec;

import java.io.File;

import java.io.FileOutputStream;

import java.io.OutputStream;

public class OutputStreamTest{

public static void main(String[] args) throws Exception{

OutputStream out=new FileOutputStream(new File("E:"+File.separator+"test.txt"));

String str="zhangsan";

byte[] b=str.getBytes();//将字符串转化为字节数组

out.write(b);

//out.close();//未关闭流

}

}

//result:zhangsan

//虽然没有关闭字节流，但是文件中依然有内容输出，证明字节流是直接操作文件本身的

package com.hephec;

import java.io.File;

import java.io.FileWriter;

import java.io.Writer;

public class OutputStreamTest{

public static void main(String[] args) throws Exception{

Writer writer=new FileWriter(new File("E:"+File.separator+"test.txt"));

String str="zhangsan";

byte[] b=str.getBytes();//将字符串转化为字节数组

writer.write(b);

//writer.close();//未关闭流

}

}

//result:

java中在使用字节流和字符流不关闭流引起的情况分析？