Java program to write a string to file using PrintWriter

• We can write a string to text file in java in various ways.
• Using PrintWriter we can write or append a string to the text file. 
• Using println() method of PrintWriter we can save or write string to text file.
• After completion of using PrintWriter you need to close it by calling close() method.
• If you are using java 7 , by using try with resources we can implement it and closing will be taken care automatically.
• Now we will see an example program on how to write or save a string / string variable  to a text file using java 7.

#1: Java Example program to write or save string to file using PrintWriter and java 7 try with resources.

1. package com.instanceofjava.writetofile;
2. import java.io.FileNotFoundException;
3. import java.io.PrintWriter;
4. /**
5.  * 
6.  * @author www.instanceofjava.com 
7. * @category: java example program
8.  * 
9.  * Description: Write a java example program to write string to files using PrintWriter 
10.  * 
11. */
12. public class WriteStringToFile {
13.  
14.  public static void main(String[] args) { 
15.        String str="Write String to file";  
16.  try(  PrintWriter out = new PrintWriter("data.txt")  )
17. { 
18.            
19. out.println( str );    
20. } 
21. catch (FileNotFoundException e) 
22. {  
23. e.printStackTrace()
24.      
25. }
26. }   
27. }