import com.alibaba.fastjson.JSON;
import org.apache.commons.collections.CollectionUtils;
 
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
 
public class CollectionCopyUtil {
 
    public static <T> List copyList(List<T> list,Class tClass) {
        if (CollectionUtils.isEmpty(list)) {
            return new ArrayList();
        }
        return JSON.parseArray(JSON.toJSONString(list), tClass);
    }
 
    public static Map<String, Object> copyMap(Map map) {
        return JSON.parseObject(JSON.toJSONString(map));
    }
}