Java tutorial
//package com.java2s; /** * Copyright (c) 2013, 2014 Frank Kaddereit, Anne Lachnitt, http://www.fossa.de/ * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static int getLebFontSize(String klassenname) { int klassenstufe = getKlassenstufe(klassenname); if (klassenstufe > 4) { return 10; } else { return 12; } } public static int getKlassenstufe(String klassenname) throws NumberFormatException { if (klassenname.isEmpty()) { return 0; } String klassenstufe = klassenname.substring(0, 1); if (keineKlassenstufeEnthalten(klassenstufe)) { return 0; } if (klassenname.length() > 1) { if (Integer.valueOf(klassenstufe) == 1) { if (klassenname.substring(1, 2).equals("0")) { return Integer.valueOf(klassenname.substring(0, 2)); } } } return Integer.valueOf(klassenstufe); } private static boolean keineKlassenstufeEnthalten(String klassenstufe) { try { Integer.valueOf(klassenstufe); return false; } catch (NumberFormatException e) { return true; } } }