Java Number Min Value minChar(String input)

Description

Get the minimum character within the String object.

License

Apache License

Parameter

Parameter	Description
input	- The input <code>String</code> object.

Return

int

Declaration

public static int minChar(String input) 

Method Source Code

//package com.java2s;
/**/*ww w.  j  a v a 2 s  . co  m*/
 * Copyright (C) 2015-2016 OurBeehive(http://ourbeehive.github.io/)
 *
 * 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.
 * Project Name: MyBatisPioneer
 * File Name: StringHelper.java
 * Package Name: org.ourbeehive.mbp.util
 * 
 * Date: Jan 20, 2016
 * Author: Sericloud
 * 
 */

public class Main {
    /**
     * Get the minimum character within the <code>String</code> object.
     * 
     * @param input
     *            - The input <code>String</code> object.
     * @return int
     */
    public static int minChar(String input) {

        if (input == null) {
            throw new NullPointerException();
        }

        int min = 0;
        int len = input.length();
        int ch = 0;

        for (int i = 0; i < len; i++) {
            ch = input.charAt(i);
            if (ch < min) {
                min = ch;
            }
        }

        return min;
    }
}

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