Because all the top-level containers need the same set of objects, their management is delegated to JRootPane.
因为所有的顶级容器都需要相同的对象集合,所以其管理被委派给JRootPane。
Because all the top-level containers need the same set of objects, their management is delegated to JRootPane.
因为所有的顶级容器都需要相同的对象集合,所以其管理被委派给JRootPane。
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