Get filename from sdcard which first name is"A"

Question

Get filename from sdcard which first name is "A" in java.

There are five pictures in my sdcard. Files name: A1.jpg A2.jpg A3.jpg B2.jpg C3.jpg

How can I get filename (A1.jpg A2.jpg A3.jpg) in java?

Answer 1

In Java you can use .startsWith and use .getName() with File class (or .getFileName() with Path class)

Example

if (file.getName().startsWith("A")) {
 // ..
}

Answer 2

You can use a wildcard like this: How to find files that match a wildcard string in Java?

or you read all Files Read all files in a folder and filter them in Memory.