Java String to Double atof(String s)

Description

atof

License

Open Source License

Parameter

Parameter	Description
s	the string to parse for the double value

Exception

Parameter	Description
IllegalArgumentException	if s is empty or represents NaN or Infinity
NumberFormatException	see Double#parseDouble(String)

Declaration

public static double atof(String s) 

Method Source Code

//package com.java2s;
/**/*  w w  w .jav  a  2s . c om*/
 * 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 double value
     * @throws IllegalArgumentException
     *           if s is empty or represents NaN or Infinity
     * @throws NumberFormatException
     *           see {@link Double#parseDouble(String)}
     */
    public static double atof(String s) {
        if (s == null || s.length() < 1)
            throw new IllegalArgumentException("Can't convert empty string to double");
        double d = Double.parseDouble(s);
        if (Double.isNaN(d) || Double.isInfinite(d)) {
            throw new IllegalArgumentException("NaN or Infinity in input: " + s);
        }
        return (d);
    }
}

Related

1. asDouble(String string)
2. asDouble(String value)
3. atof(String pString_)
4. atof(String s)
5. atof(String s)
6. convertStringToDouble(String num)
7. convertStringToDouble(String number)
8. convertStringToDouble(String s)
9. convertStringToDouble(String valueString)