Because Swing is built on top of the Abstract Window Toolkit (AWT), the management of component focus relies on the underlying focus management in the AWT.
由于Swing建立在抽象窗口工具包(awt)之上，对组件焦点的管理便依赖于awt中的底层焦点管理。
Because Swing is built on top of the Abstract Window Toolkit (AWT), the management of component focus relies on the underlying focus management in the AWT.
由于Swing建立在抽象窗口工具包(awt)之上，对组件焦点的管理便依赖于awt中的底层焦点管理。
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