Here you can find the source of tryParseInt(String str)
Parameter | Description |
---|---|
str | the String to be parsed to an Integer |
public static Integer tryParseInt(String str)
//package com.java2s; /****************************************************************************** * Copyright: GPL v3 * * * * This program 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. * * * * 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 General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program. If not, see <http://www.gnu.org/licenses/>. * ******************************************************************************/ public class Main { /**//from w w w . j a va 2 s . com * Tries to parse a String to an Integer * * @param str the String to be parsed to an Integer * @return a Integer when successful, null when not (e.g. no number) */ public static Integer tryParseInt(String str) { Integer n = null; try { return new Integer(str); } catch (NumberFormatException nfe) { return n; } } }