Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collection;

import java.util.Map;

public class Main {
    @SuppressWarnings("rawtypes")
    public static int sizeOf(Collection collection) {
        if (isEmpty(collection)) {
            return 0;
        }
        return collection.size();
    }

    @SuppressWarnings("rawtypes")
    public static boolean isEmpty(Map map) {
        return !isNotEmpty(map);
    }

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

    @SuppressWarnings("rawtypes")
    public static boolean isNotEmpty(Map map) {
        return map != null && map.size() > 0;
    }

    public static boolean isNotEmpty(Collection<?> collection) {
        return collection != null && collection.size() > 0;
    }
}