Return count of true elements in boolean array - Java Collection Framework

Java examples for Collection Framework:Array Search

Description

Return count of true elements in boolean array

Demo Code

/* Copyright (c) 2001-2010, The HSQL Development Group
 * All rights reserved./*from w w  w  .  j av  a  2s . c  o  m*/
 *
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 * 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
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 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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//package com.java2s;

public class Main {
    /**
     * Return count of true elements in array
     */
    public static int countTrueElements(boolean[] arra) {

        int count = 0;

        for (int i = 0; i < arra.length; i++) {
            if (arra[i]) {
                count++;
            }
        }

        return count;
    }
}

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