package Test;
import java.io.*;
public class Test {
	   public static void main(String args[]){
		  // InputStream is=null;
		 Writer fw=null ;
		 BufferedWriter w=null;
		   try {
			//InputStream is=new FileInputStream("");
			   fw=new FileWriter("C:\\Test.txt");
			   w=new BufferedWriter(fw);
			   w.write("9999999");
			   w.write("\n"); //不會讀入，是否換行不是這樣決定的 ，而是由檔案格式決定的
			   w.flush();
				
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
                                 System.out.println("error2");
				e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			System.out.println("error1");
			e.printStackTrace();
		}finally{
			try {
				fw.close();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
	   }
	}