Java Collection Null getNumberOfNonNullElements(final Collection col)

Description

get Number Of Non Null Elements

License

Open Source License

Declaration

public static int getNumberOfNonNullElements(final Collection<?> col) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2015, 2017 Lablicate GmbH.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors://from  ww w .  j a v a 2s . co  m
 * Dr. Alexander Kerner - initial API and implementation
 *******************************************************************************/

import java.util.Collection;

public class Main {
    public static int getNumberOfNonNullElements(final Collection<?> col) {

        if (col == null)
            return 0;
        int result = 0;
        for (final Object o : col) {
            if (o != null) {
                result++;
            }
        }
        return result;
    }
}

Related

1. countNonNull(Collection dist)
2. countNotNull(Collection collection)
3. getItemAtPositionOrNull(Collection collection, int position)
4. getNextNullIndex(C collection)
5. getSingleElementOrNull(Collection collection)
6. getSizeNullSafe(final Collection collection)
7. hasAtLeastOneNotNullElement(Collection collection)
8. hasCollectionNullItem(Collection collection)