Java tutorial
//package com.java2s; /* * This file is part of Butter. * * Butter is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Butter 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Butter. If not, see <http://www.gnu.org/licenses/>. */ import java.util.Arrays; import java.util.Comparator; public class Main { public static String[] sortQualities(String[] qualities) { Arrays.sort(qualities, new Comparator<String>() { @Override public int compare(String lhs, String rhs) { if (lhs.contains("p") && rhs.contains("p")) { int q1 = Integer.parseInt(lhs.substring(0, lhs.indexOf('p'))); int q2 = Integer.parseInt(rhs.substring(0, rhs.indexOf('p'))); if (q1 < q2) { return 1; } else if (q1 < q2) { return -1; } else { return 0; } } if (lhs.equals("3D")) return 1; return 0; } }); return qualities; } }