Java IO & NIO - Files.size() Examples

[Last Updated: Nov 8, 2025]

Class:

java.nio.file.Files

Method:

public static long size(Path path)
                 throws IOException

Returns the size of a file (in bytes).

Parameters:: path - the path to the file
Returns:: the file size, in bytes

Examples

package com.logicbig.example.files;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

public class SizeExample {

    public static void main(String... args) throws IOException {
        Path path = Files.createTempFile("test-file", ".txt");
        Files.write(path, "some content....".getBytes());

        long size = Files.size(path);
        System.out.println(size);
    }
}

Java IO & NIO - Files.size() Examples

Class:

Method:

Examples

Output

See Also