This returns the position of a given value in the given array, or -1 if not found. - Java java.lang

Java examples for java.lang:Math Array Function

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Description

This returns the position of a given value in the given array, or -1 if not found.

Demo Code

/*/*from   w w  w  .j a v a  2 s . co  m*/
 *  Copyright (c) 2010 Ondrej Dusek
 *  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or without modification, 
 *  are permitted provided that the following conditions are met:
 *  Redistributions of source code must retain the above copyright notice, this list 
 *  of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright notice, this 
 *  list of conditions and the following disclaimer in the documentation and/or other 
 *  materials provided with the distribution.
 *  Neither the name of Ondrej Dusek nor the names of their contributors may be
 *  used to endorse or promote products derived from this software without specific 
 *  prior written permission.
 * 
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
 *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 *  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
 *  OF THE POSSIBILITY OF SUCH DAMAGE.
 */
//package com.java2s;

public class Main {
    /**
     * This returns the position of a given value in the given array, or -1 if not found.
     * @param arr the array that contains the value
     * @param val the value to search
     * @return the position of the value in the array, or -1
     */
    public static int find(int[] arr, int val) {

        for (int i = 0; i < arr.length; i++) {
            if (arr[i] == val) {
                return i;
            }
        }
        return -1;
    }
}

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