Java Create Temporary File

Java 8 NIO provide way to create Temporary file System Temp directory. Here is example of Java create temporary file using java nio. Creates an empty file in the default temporary-file directory, using the given prefix and suffix to generate its name.

1. Java Create Temporary File using java.nio.file.Files

try {
           Path path = Files.createTempFile("Prefix_","_Postfix");    // it will create temp file and return path of it
           System.out.println(path.toString());
       }catch (Exception e){
           e.printStackTrace();
       }

Output:

C:\Users\javadeveloperzone\AppData\Local\Temp\Prefix_17837843845625492472_Postfix

2. Java Create Temporary File using java.io.File

Creates an empty file in the default temporary-file directory, using the given prefix and suffix to generate its name. It will direct return file object so we can perform operation on temp file.

try {
            File tempFile  = File.createTempFile("Prefix_","_Postfix");     // it will create temp file and return file 
            System.out.println(tempFile.getAbsolutePath());
        }catch (Exception e){
            e.printStackTrace();
        }

C:\Users\javadeveloperzone\AppData\Local\Temp\Prefix_4713480329263426311_Postfix

References:

https://docs.oracle.com/javase/tutorial/essential/io/pathOps.html

https://docs.oracle.com/javase/8/docs/api/java/nio/file/Files.html

https://docs.oracle.com/javase/7/docs/api/java/nio/file/package-summary.html