cn.cliveyuan.robin.generator.util.CollectionUtils Maven / Gradle / Ivy

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package cn.cliveyuan.robin.generator.util;

import java.util.Arrays;
import java.util.Collection;
import java.util.List;

/**
 * @author Clive Yuan
 * @date 2020/12/24
 */
public class CollectionUtils {


    public static  List listOf(E... elements) {
        checkNotNull(elements);
        return Arrays.asList(elements);
    }

    private static  T checkNotNull(T reference) {
        if (reference == null) {
            throw new NullPointerException();
        }
        return reference;
    }

    public static boolean isEmpty(final Collection coll) {
        return coll == null || coll.isEmpty();
    }

    public static boolean isNotEmpty(final Collection coll) {
        return !isEmpty(coll);
    }
}