File exists() method in Java with examples

The exists() function is a part of the File class in Java. This function determines whether the is a file or directory denoted by the abstract filename exists or not. The function returns true if the abstract file path exists or else returns false.

Syntax:

public boolean exists()

file.exists()

Parameters: This method does not accept any parameter.

Return Value: The function returns the boolean value if the file denoted by the abstract filename exists or not. 

Exception: This method throws Security Exception if the write access to the file is denied

Implementation: Consider file on the local directory on a system where local directory be as below provided.

"F:\\program.txt"

Example 1:

Output: 

Exists

Now let us consider the use-case where file is writable ("F:\\program1.txt")

Example 2:

Output: 
 

Does not Exists