Q:

Create a temporary file in Java

belongs to collection: Java Files & Directories Programs

mahmoud2506
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2022-05-07
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This method accepts two arguments 1) file_name and 2) file_extension name. If the file_extension is null, the default file extension will be .tmp.

Package to use: import java.io.*;

Syntax:

    //file object creation
    File one = null;
    File two = null;

    //temporary file creation
    one = File.createTempFile("file_name", "extension");
    two = File.createTempFile("file_name", "extension");

 

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mahmoud2506
2022-05-07
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Java code to create a temporary file

// Java code to create a temporary file  

import java.io.*;

public class Main {

  public static void main(String[] args) {
    //file object creation to store results
    File one = null;
    File two = null;

    try {
      //creating temporary file1 with extension '.javatemp'
      one = File.createTempFile("sample1", ".javatemp");

      //creating temporary file2 without using null
      two = File.createTempFile("sample2", null);

      System.out.println("file created: " + one.getPath());
      System.out.println("file created: " + two.getPath());

    } catch (IOException exp) {
      System.out.println("Error in creating temporary file: " + exp);
    }
  }
}

Output

file created: /tmp/sample14223766203657377545.javatemp
file created: /tmp/sample22708977934903691208.tmp

 

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