add Not Null Elements to Collection - Android java.util

Android examples for java.util:Collection and Null

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Description

add Not Null Elements to Collection

Demo Code


//package com.book2s;
import java.util.Collection;

public class Main {
    public static void main(String[] argv) {
        Collection c = java.util.Arrays.asList("asdf", "book2s.com");
        Collection es = java.util.Arrays.asList("asdf", "book2s.com");
        System.out.println(addNotNullElements(c, es));
    }/*  w ww.  ja v a 2s.  co  m*/

    public static <E> boolean addNotNullElements(Collection<E> c,
            Collection<E> es) {
        if (!isNotNull(c)) {
            return false;
        }
        if (!isNotNull(es)) {
            return false;
        }
        c.addAll(es);
        return true;
    }

    public static boolean isNotNull(Collection<?> c) {
        if (c == null || c.isEmpty()) {
            return false;
        } else {
            return true;
        }
    }
}

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