How to make FileFilter in java?

Question

like in title how to make filter to .txt files?

i wrote something like this but it has error :(

 private void jMenuItem1ActionPerformed(java.awt.even         


        

Answer 1

You are going wrong here:

int retval = chooser.showOpenDialog(null); 
public boolean accept(File directory, String fileName) {`
return fileName.endsWith(".txt");`
}

You first show the file chooser dialog and then apply the filter! This wont work. First apply the filter and then show the dialog:

public boolean accept(File directory, String fileName) {
        return fileName.endsWith(".txt");
}
int retval = chooser.showOpenDialog(null);