Java Integer Create toInteger(String value)

Description

Converts the specified value string to the Integer value.

License

BSD License

Parameter

Parameter	Description
value	a value string

Exception

Parameter	Description
IllegalArgumentException	if format error has occured

Return

a Integer object

Declaration

static Integer toInteger(String value) throws IllegalArgumentException 

Method Source Code

//package com.java2s;
//License from project: BSD License 

public class Main {
    /**//  www .  ja  v  a2 s  . co  m
     * Converts the specified value string to the Integer value.
     * If the specified string is null or blank, this method returns null.
     * 
     * @param value a value string
     * @return a {@code Integer} object
     * @throws IllegalArgumentException if format error has occured
     */
    static Integer toInteger(String value) throws IllegalArgumentException {
        if (value == null || value.equals("")) {
            //the option not specified or a blank value specified
            return null;
        }

        try {
            return Integer.parseInt(value);
        } catch (NumberFormatException e) {
            throw new IllegalArgumentException("invalid boolean value : " + value);
        }
    }
}

Related

1. toInteger(String str)
2. toInteger(String string)
3. toInteger(String string, Integer deff)
4. toInteger(String val)
5. toInteger(String value)
6. toInteger(String value)
7. toInteger(String value)
8. toInteger(String value, int _default)
9. toInteger(String value, int defaultValue)