Which Core J2EE tier is responsible for establishing and maintaining connections to data sources?
A、Clienttire;
B、Presentationtire;
C、Businesstire;
D、Integrationtire
发布时间:2026-02-06 06:21:10
A、Clienttire;
B、Presentationtire;
C、Businesstire;
D、Integrationtire