Java Collections: Understanding Collection and Collections
D. 'Collections' is the parent interface of the 'Collection'; 'Collection' is an operations tool.
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D. 'Collections' is the parent interface of the 'Collection'; 'Collection' is an operations tool.
原文地址: https://www.cveoy.top/t/topic/oeqr 著作权归作者所有。请勿转载和采集!