Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import java.util.Collection;
import java.util.Collections;
import java.util.Map;

public class Main {
    public static void filterNull(Collection<?> collection) {
        if (isNotEmpty(collection)) {
            collection.removeAll(Collections.singleton(null));
        }
    }

    public static boolean isNotEmpty(Collection<?> collection) {
        return !isEmpty(collection);
    }

    public static boolean isNotEmpty(Object[] objects) {
        return !isEmpty(objects);
    }

    public static boolean isNotEmpty(Map<?, ?> map) {
        return !isEmpty(map);
    }

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

    public static boolean isEmpty(Object[] objects) {
        return objects == null || objects.length == 0;
    }

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