JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Program: How to delete temporary file in java?


Below example shows how to delete a temporary file in java. The method deleteOnExit(), deletes the temp file on program exists. The method delete() deletes the file immediately.


package com.java2novice.files;

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

public class MyTempDelete {

	public static void main(String a[]){
		File tempFile = null;
		BufferedWriter writer = null;
		try {
			tempFile = File.createTempFile("MyTempFile", ".tmp");
			writer = new BufferedWriter(new FileWriter(tempFile));
			writer.write("Writing data into temp file!!!");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} finally {
			try{
				if(writer != null) writer.close();
			}catch(Exception ex){}
		}
		System.out.println("Stored data in temporary file.");
		/*
		 * Write your application logic here
		 * Once your application done with the temp data,
		 * delete the temp file
		 */
		//below method deletes the temp file on program exists.
		tempFile.deleteOnExit();
		//below method deletes the temp file immediately
		//tempFile.delete();
	}
}

Output:
Stored data in temporary file.
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Knowledge Centre
Can you list serialization methods?
Serialization interface does not have any methods. It is a marker interface. It just tells the JVM that your class can be serializable.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to java2novice@gmail.com or you can comment on the page.

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java is registered trademark of Oracle.
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