How do I get the file extension of a file in Java?
Aug 26, 2010 · String getFileExtension(File file) { if (file == null) { return ""; } String name = file.getName(); int i = name.lastIndexOf('.'); String ext = i > 0 ? name.substring(i + 1) : ""; return …
How to Get the File Extension of a File in Java - Baeldung
Jan 8, 2024 · In this article, we’ve explored various approaches to get the file extension from a given filename in Java. We can create a straightforward solution based on the standard String …
file - How to get the filename without the extension in Java?
May 29, 2009 · you can also use FilenameUtils.getBasename to go straight from a path string to a filename-without-extension. For those who prefer Guava, it can do this too. (These days I don't …
How to get the file extension in Java? - GeeksforGeeks
Feb 20, 2024 · In this article, we will learn how to get the file extension in Java. A dot separates the filename from its file extension. For instance, "picture.jpg" has the extension "jpg " which …
file - Java: splitting the filename into a base and extension
Dec 28, 2010 · Is there a better way to get file basename and extension than something like. File f = ... int dot = name.lastIndexOf('.'); Take a look at commons-io FilenameUtils. It has the …
Java File Format | .java Extension - GeeksforGeeks
Jan 29, 2024 · A source code file written in the Java programming language is saved with the extension .java. . Java file extension typically contains Java code that can be compiled into …
Java File Extension - Tpoint Tech
Mar 17, 2025 · For example, consider a file name Demo.java, here the file name is Demo and .java is the file extension that represents the type of the file. In this section, we will learn how …
Get File Extension From MIME Type in Java - Baeldung
Nov 29, 2023 · In this tutorial, we’ll explore different methods for determining the file extension for a particular MIME type in Java. We’ll focus on four major approaches to solve the problem. …
How to Get the File Extension of a File in Java - Delft Stack
Feb 2, 2024 · This tutorial introduces how to get the file extension of a file in Java. To get an extension of a file, we can use the getExtension() method of the FilenameUtils class. This …
How do I get the file extension of a file in Java? - W3docs
To get the file extension of a file in Java, you can use the File class and its getName() method to get the file name, and then use the substring() method of the String class to extract the …