Java 中的 T，E，K，V, 别傻傻分不清楚https://m.toutiaocdn.com/i6737201596230271499/?app=news_article×tamp=1598164585&use_new_style=1&req_id=202008231436240101290320220F0FC4BC&group_id=6737201596230271499&tt_from=android_share&utm_medium=toutiao_android&utm_campaign=client_share
