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apijson的简化版本，升级fastjson到2.0

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package zikai.apijson.core;

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

public class CollectionUtils {
    public static boolean isEmpty(Map target) {
        return target == null || target.isEmpty();
    }

    public static boolean isNotEmpty(Map target) {
        return !isEmpty(target);
    }

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

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