How can we get file extension in Java?

0 votes
I am working on different files. How can I find file extension using Java?
May 8, 2018 in Java by Daisy
• 8,050 points
354 views

1 answer to this question.

0 votes

To get the file extension, we can use FilenameUtils.getExtension() method from Apache Commons IO.

String f1 = FilenameUtils.getExtension("file1.txt"); // returns "txt"
String f2 = FilenameUtils.getExtension("file2.exe"); // returns "exe"
answered May 8, 2018 by parth295
• 4,640 points

Related Questions In Java

0 votes
2 answers

How can I create File and write data in it using Java?

import java.io.BufferedWriter; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Paths; public class WriteFiles{ ...READ MORE

answered Jul 26, 2018 in Java by samarth295
• 2,190 points
108 views
0 votes
4 answers

How can we compare dates in java?

public static String daysBetween(String day1, String day2) ...READ MORE

answered Sep 5, 2018 in Java by Sushmita
• 6,880 points
44 views
0 votes
2 answers

How can we remove an element from an array in Java?

You can use ArrayUtils class remove method which ...READ MORE

answered May 24, 2018 in Java by UshaK
122 views
0 votes
1 answer

How can we resolve ClassNotFoundException in Java?

Your classpath is broken. Depending on how you ...READ MORE

answered May 22, 2018 in Java by Akrati
• 3,150 points
71 views
0 votes
1 answer

How to read text files from the Classpath in Java?

InputStream in = this.getClass().getClassLoader().getResourceAsStream("TextFile.txt"); InputStream in = this.getClass().getResourceAsStream("/TextFile.txt"); package ...READ MORE

answered May 8, 2018 in Java by Akrati
• 3,150 points
314 views
0 votes
1 answer

How to read and write on an excel files?

Follow these steps: Write: public class User { ...READ MORE

answered May 15, 2018 in Java by Rishabh
• 3,540 points
245 views
0 votes
1 answer

Access restriction on class error

My guess is that you are trying ...READ MORE

answered Jun 21, 2018 in Java by Rishabh
• 3,540 points
53 views
0 votes
2 answers

How can I get the filenames of all files in a folder which may or may not contain duplicates

List<String> results = new ArrayList<String>(); File[] files = ...READ MORE

answered Sep 12, 2018 in Java by Sushmita
• 6,880 points
610 views
0 votes
4 answers

How can we define global variables in java?

class G { static String globalVar ...READ MORE

answered Jan 29 in Java by zemiak
4,701 views
0 votes
2 answers

How can I get current time in YYYY:MM:DD HH:MI:Sec:Millisecond format in Java?

public String getCurrentTimeStamp() { ...READ MORE

answered Sep 21, 2018 in Java by parth295
• 4,640 points
590 views