Java Integer Create toInteger(Number n)

Description

Converts a Number into an Integer if not already such

License

Apache License

Parameter

Parameter	Description
n	The Number - ignored if null

Return

The equivalent value

Declaration

public static Integer toInteger(Number n) 

Method Source Code

//package com.java2s;
/*/*from   w  w w .j a  va  2s .  c  o  m*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 {@link Number} into an {@link Integer} if not already such
     *
     * @param n The {@link Number} - ignored if {@code null}
     * @return The equivalent {@link Integer} value
     */
    public static Integer toInteger(Number n) {
        if (n == null) {
            return null;
        } else if (n instanceof Integer) {
            return (Integer) n;
        } else {
            return n.intValue();
        }
    }
}

Related

1. toInteger(int value)
2. toInteger(int[] arr)
3. toInteger(int[] bytes)
4. toInteger(Long l)
5. toInteger(long n)
6. toInteger(Number n)
7. toInteger(Number number)
8. toInteger(Object _inStrObj)
9. toInteger(Object _value, int _default)