Files size() method in Java with Examples Last Updated : 14 Apr, 2023 Summarize Comments Improve Suggest changes Share Like Article Like Report size() method of java.nio.file.Files help us to get the size of a file (in bytes). This method returns the file size, in bytes by taking the path of the file as a parameter. The size may differ from the actual size on the file system due to compression, support for sparse files, or other reasons. The size of files that are not regular files is implementation-specific and therefore unspecified. Syntax: public static long size(Path path) throws IOException Parameters: This method accepts a parameter path which is the path to the file. Return value: This method returns the file size, in bytes. Exception: This method will throw following exceptions: IOException if an I/O error occurs.SecurityException in the case of the default provider, and a security manager is installed, its checkRead method denies read access to the file. Below programs illustrate size(Path) method: Program 1: Java // Java program to demonstrate // Files.size() method import java.io.IOException; import java.nio.file.*; public class GFG { public static void main(String[] args) throws IOException { // create object of Path Path path = Paths.get("D:\\GIT_EWS_PROJECTS\\logger" + "\\src\\logger" + "\\GFG.java"); // get File Size long result; result = Files.size(path); System.out.println("File " + path + " Size = " + result + " bytes"); } } Output: Program 2: Java // Java program to demonstrate // Files.size() method import java.io.IOException; import java.nio.file.*; public class GFG { public static void main(String[] args) throws IOException { // create object of Path Path path = Paths.get("D:\\User Aman\\" + "Documents\\MobaXterm\\" + "\\ArrayList.docx"); // get File Size long result; result = Files.size(path); System.out.println("File " + path + " Size = " + result + " bytes"); } } Output: References: https://docs.oracle.com/javase/10/docs/api/java/nio/file/Files.html#size?(java.nio.file.Path) Comment More infoAdvertise with us Next Article Files size() method in Java with Examples A AmanSingh2210 Follow Improve Article Tags : Java Java-Functions java.nio.file package Java-Files Practice Tags : Java Similar Reads Java Tutorial Java is a high-level, object-oriented programming language used to build web apps, mobile applications, and enterprise software systems. 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