JFileChooser.setApproveButtonMnemonic(char mnemonic) has the following syntax.
public void setApproveButtonMnemonic(char mnemonic)
In the following code shows how to use JFileChooser.setApproveButtonMnemonic(char mnemonic) method.
/* w w w . j a v a 2 s .c om*/ 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('a'); // Set the tool tip chooser.setApproveButtonToolTipText("New Approve Tool Tip"); chooser.showOpenDialog(null); } }