FileOutputStream的使用（学习笔记）

import java.io.File;
import java.io.OutputStream;
import java.io.FileOutputStream;

public class FileOutputStreamDemo {
	public static void main(String[] args) throws Exception {
		File file = new File("D:\\test.txt");
		OutputStream os = null;
		os = new FileOutputStream(file,true);
		String str = "测试字节输出流的使用\r\n";
		byte[] b = str.getBytes();
		os.write(b);
		os.close();
	}
}