Help Exceptions

Question

This is is program whereby there exiext a button and a textfield , a figure is entered into the textfield , anytime the user presses the button th efolowing procedure is invoked.
I have written a try statement to check if the correct numbers are inputted, i want to stop the system from printing error messages if the try throws an exception pls how do i do this
public void actionPerformed(ActionEvent ae) {
int b=0;
// validate inputs
try {
Integer.parseInt(maxPoints.getText());
catch (NumberFormatException e){
JOptionPane.showMessageDialog(null, "the maximum points value must be a number",
"maximum points", JOptionPane.ERROR_MESSAGE);

Answer 1

public void actionPerformed(ActionEvent ae)
int b=0;
// validate inputs
try {
     b=Integer.parseInt(maxPoints.getText());
catch (NumberFormatException e){
     JOptionPane.showMessageDialog(null, "the maximum points value must be a number",
          "maximum points", JOptionPane.ERROR_MESSAGE);
     return;
     maxPts = b;
     maxPoints.setText("");
}