Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.util.Collection;
import java.util.Iterator;
import java.util.Map;

public class Main {

    public static void filterNull(Collection<?> collection) {
        if (!isEmpty(collection)) {
            for (Iterator<?> it = collection.iterator(); it.hasNext();) {
                if (it.next() == null) {
                    it.remove();
                }
            }
        }
    }

    public static boolean isEmpty(Collection<?> collection) {
        return collection == null || collection.isEmpty();
    }

    public static boolean isEmpty(Map<?, ?> map) {
        return map == null || map.isEmpty();
    }
}