Here you can find the source of getMonthSpan(Date begin, Date end)
public static int getMonthSpan(Date begin, Date end)
//package com.java2s; /*/*w w w . ja v a 2 s .co m*/ * Copyright (c) 2015 Power Group. * 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.util.*; public class Main { public static int getMonthSpan(Date begin, Date end) { Calendar beginCal = new GregorianCalendar(); beginCal.setTime(begin); Calendar endCal = new GregorianCalendar(); endCal.setTime(end); int m = (endCal.get(Calendar.MONTH)) - (beginCal.get(Calendar.MONTH)); int y = (endCal.get(Calendar.YEAR)) - (beginCal.get(Calendar.YEAR)); return y * 12 + m; } }