Problem writing multiple strings to a text file

[Yogesh_P]

Hi

I am writing a program where I will have to write many Strings into a text file, so I want to create a separate method to which I can pass a String and it will write the String to a new line in the file. But how many Strings I may pass it only writes the last one. Can someone please help me debug.

Here is the code:

import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;


public class Example 
{
	String logFile;
	BufferedWriter fileWrite;
	public static void main(String[] args)
	{
		Example ex = new Example();
		ex.logFile = "log0.txt";
		ex.log("1st line");
		ex.log("2nd line");
		ex.log("3rd line");
	}
	
	public void log(String str)
	{
		try
		{
			fileWrite = new BufferedWriter(new FileWriter(logFile));
			fileWrite.write(str);
			fileWrite.close();
		}
		catch(IOException ex)
		{
			System.out.println("Error : cannot write into log file");
			ex.printStackTrace();
		}
	}
}

Here I want to write 3 strings to a particular file , I dont want to copy code for all file readers and writers everytime I have to write.

Thanks and Regards

[Junky]

Each time you try to write you create a new OutputStream to the file. Thus you will overwrite anything that is already in the file. Try creating the stream in "append" mode. Check the Java API.

[Yogesh_P]

Thank you, it works. I had not seen any example with append mode in any of the books.

Regards

[Yogesh_P]

Another query:

How can I modify the program so that log file is created by this name whenever the program runs and then strings are appended to it.

When I run program I dont want my results to be appended to old logfile. Any Help !

Regards

[Solarsonic]

Another query:

How can I modify the program so that log file is created by this name whenever the program runs and then strings are appended to it.

When I run program I dont want my results to be appended to old logfile. Any Help !

Regards

File f = new File("log.txt");
if (!f.exists())
f.createNewFile();