Java atoi atoi(String s)

Description

atoi

License

Open Source License

Parameter

Parameter	Description
s	the string to parse for the integer value

Exception

Parameter	Description
IllegalArgumentException	if s is empty
NumberFormatException	see Integer#parseInt(String)

Declaration

public static int atoi(String s) throws NumberFormatException 

Method Source Code

//package com.java2s;
/**/*from   w  ww .  j  av a2s  . co  m*/
 * Copyright 2014 LinkedIn Corp. All rights reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");?you may
 * not use this file except in compliance with the License.?You may obtain a
 * copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,?WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

public class Main {
    /**
     * @param s
     *          the string to parse for the integer value
     * @throws IllegalArgumentException
     *           if s is empty
     * @throws NumberFormatException
     *           see {@link Integer#parseInt(String)}
     */
    public static int atoi(String s) throws NumberFormatException {
        if (s == null || s.length() < 1)
            throw new IllegalArgumentException("Can't convert empty string to integer");
        // Integer.parseInt doesn't accept '+' prefixed strings
        if (s.charAt(0) == '+')
            s = s.substring(1);
        return Integer.parseInt(s);
    }
}

Related

1. atoi(final String s, final int def)
2. atoi(final String str, final int def)
3. atoi(Object s)
4. atoi(String s)
5. atoi(String s)
6. atoi(String s)
7. atoi(String s, int pos, int base)
8. atoi(String str)
9. atoi(String str)