Program: How to write or store data into temporary file in java?

Learn how to write data into a temporary file in Java. Example java program to store the data in a temporary file using BufferedWriter. Storing or Writing data into temp file.

We will learn how to write the data into a temporary file in java using File class.
Below is the example program.

Writing data into Temp File:

package examples.java.w3schools.files;

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

public class CreatingTempFileExample {

 public static void main(String[] args) {
  // Example program using BufferedWriter.
  File tempFile = null;
  BufferedWriter writer = null;
  try {
   // Creating ta temporary file in Temp directory.
   tempFile = File.createTempFile("MyTempFile", ".tmp");
   writer = new BufferedWriter(new FileWriter(tempFile));
   writer.write("Writing data into temp file!!!. This is a temp file.");
  } catch (IOException e) {
   e.printStackTrace();
  } finally {
   try {
    if (writer != null)
     writer.close();
   } catch (Exception ex) {
   }
  }
  System.out.println("Stored data in temporary file.");
  System.out.println("Temp file location: " + tempFile.getAbsolutePath());
 }

}

Output:

The above program produces the following output and executed in windows operating system.

Stored data in temporary file.
Temp file location: C:\Users\user\AppData\Local\Temp\1\MyTempFile3113093780191713532.tmp

Temporary file is stored in the users Temp location. You can open the file and see its content.

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