Java Integer Create toInteger(String value)

Description

Converts a given string into type integer.

License

Apache License

Parameter

Parameter	Description
value	a parameter

Return

the string value as integer or -1 if cannot be converted

Declaration

public static int toInteger(String value) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2012 Christian Ternes//  w  ww.  j  av  a 2 s  . c  om
 * 
 * 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 {
    /**
     * Converts a given string into type integer.
     * If string is not an integer, -1 will be returned.
     * 
     * @param value
     * @return the string value as integer or -1 if cannot be converted
     */
    public static int toInteger(String value) {
        if (isInteger(value)) {
            return Integer.parseInt(value);
        }
        return -1;
    }

    /**
     * Checks if a given string is of type integer.
     * 
     * @param value
     * @return true if string is of type integer, false otherwise
     */
    public static boolean isInteger(String value) {
        try {
            Integer.parseInt(value);
            return true;
        } catch (NumberFormatException e) {
            return false;
        }
    }
}

Related

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