Check out example codes for "java check if file exists". It will help you in understanding the concepts better.

Code Example 1

import java.io.File;

File tmpDir = new File("/var/tmp");
boolean exists = tmpDir.exists();

Code Example 2

File tempFile = new File("c:/temp/temp.txt");
boolean exists = tempFile.exists();

Code Example 3

// Get the file 
File f = new File("F:\\program.txt"); 

// Check if the specified file 
// Exists or not 
if (f.exists()) 
  System.out.println("Exists"); 
else
  System.out.println("Does not Exists");

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