Here you can find the source of getYearFormat(String dateString)
public static String getYearFormat(String dateString)
//package com.java2s; /*********************************************************************** * Copyright (c) 2015 by Regents of the University of Minnesota. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Apache License, Version 2.0 which * accompanies this distribution and is available at * http://www.opensource.org/licenses/apache2.0.php. * *************************************************************************/ public class Main { public static String getYearFormat(String dateString) { int start = 0; int to = dateString.indexOf("."); return dateString.substring(start, to); }//www . j a va 2 s . c o m }