Java Integer Create toIntOrNull(String string)

Description

tries to parse the value as int or in case of an error returns null

License

Open Source License

Parameter

Parameter	Description
string	a parameter

Declaration

public static Integer toIntOrNull(String string) 

Method Source Code

//package com.java2s;
/*/*from w  w  w . j a va 2 s.  com*/
 * Copyright (C) 2016 Florian Frankenberger.
 *
 * This library 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 library 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 library; if not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * tries to parse the value as int or in case of an error returns null
     *
     * @param string
     * @return
     */
    public static Integer toIntOrNull(String string) {
        Integer i = null;
        try {
            i = Integer.valueOf(string);
        } catch (NumberFormatException e) {
            //ignore
        }
        return i;
    }
}

Related

1. toIntFormat(String value)
2. toIntHeader(String value)
3. toIntLE(byte[] value)
4. toIntList(String valus)
5. toIntMatrix(Number[][] matrix)
6. toIntPlusOneString(Object object)
7. toIntRound(double[] a)
8. toInts(byte[] bytes)
9. toInts(byte[] readBuffer, int o, int l)