Here you can find the source of multiply(final String s, final Long factor)
public static String multiply(final String s, final Long factor)
//package com.java2s; /*/*from w w w. ja v a2 s.co m*/ * Copyright 2009 Markus Pielmeier * * This file is part of rox applet builder. * * rox applet builder 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. * * rox applet builder 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 rox applet builder. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static String multiply(final String s, final Long factor) { final int factorInt = factor.intValue(); if (factor == 0) return ""; if (factor == 1) return s; final StringBuilder sb = new StringBuilder(s.length() * factorInt); for (int i = 0; i < factorInt; ++i) { sb.append(s); } return sb.toString(); } }