Java tutorial
//package com.java2s; /* * Copyright 2014 kohii. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ import java.text.ParseException; import javax.swing.JFormattedTextField; import javax.swing.text.DefaultFormatterFactory; import javax.swing.text.MaskFormatter; public class Main { public static final void setMaskFormatter(JFormattedTextField textField, String format) { try { MaskFormatter mf = new MaskFormatter(format); textField.setFormatterFactory(new DefaultFormatterFactory(mf)); } catch (ParseException e) { e.printStackTrace(); } } }