OutPutStream 출력 파일

package zmx.Io;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Set;

/**
 *  、 
1、 、File   
2、         OutputStream   FileOutputStream
3、 ：write()+flush()
4、 ： 
 * @author zmx
 *
 */
public class demo06 {
	public static void main(String[] args) {
		File dest=new File("F:"+File.separator+" "+File.separator+"10.txt");
		OutputStream os=null;
		// 
		try {
			os=new FileOutputStream(dest,true);
			//3、 
			String str="bjsxt is very good \r  
";
			byte[] data=str.getBytes();
			os.write(data, 0, data.length);
			
			os.flush();// 
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			System.out.println(" ");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			System.out.println(" ");
		}finally {
			if(null!=os){
				try {
					os.close();
				} catch (IOException e) {
					// TODO Auto-generated catch block
					System.out.println(" ");
				}
			}
		}
	}

}