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How to access Temporary Directory and delete its files through a Java program ?.

Program to demonstrate how to access Temporary Directory and delete its files through a Java program.

package com.hubberspot.example;


public class TemporaryDirectory {

 public static void main(String[] args) {

  // 1. Create a Properties refernce pointing to 
  // System.getproperties() as this method returns all
  // the System properties
  java.util.Properties properties = System.getProperties();

  // 2. System class has a property by name ""
  // which returns String which is the name of the location
  // of temp directory. See the output for my machine's temp
  // directory

  String tempFileName = properties.getProperty("");

  // 3. Create a File object which will point to this temp 
  // directory.
  File directory = new File(tempFileName);

  // 4. Get all files in directory using the method listFiles()
  File[] files = directory.listFiles();

  // 5. Loop through each file and call delete() on it

  for (File file : files)
   // 6. This will loop each file/directory and delete file

   // 7. If it cannot delete the file it prints the name 
   // of file it cant delete
   if (!file.delete())
    System.out.println("Failed to delete "+file);



Output of the program :

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