JFileChooser.setApproveButtonMnemonic(int mnemonic) has the following syntax.
public void setApproveButtonMnemonic(int mnemonic)
In the following code shows how to use JFileChooser.setApproveButtonMnemonic(int mnemonic) method.
/* w w w . j ava 2 s . c o m*/ import javax.swing.JFileChooser; public class Main { public static void main(String[] argv) { JFileChooser chooser = new JFileChooser(); // Set the text chooser.setApproveButtonText("New Approve Text"); // Set the mnemonic chooser.setApproveButtonMnemonic((int)'a'); // Set the tool tip chooser.setApproveButtonToolTipText("New Approve Tool Tip"); chooser.showOpenDialog(null); } }