Then expose these through set and get accessor functions, making sure that the set functions publish their changes to the property change support mechanism.

然后通过set和get存取器函数公开这些字段，确保set函数将其更改发布到属性更改支持机制中。

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The get() accessor retrieves the current thread's value of the variable; the set() accessor modifies the current thread's value.

get() 访问器检索变量的当前线程的值； set() 访问器修改当前线程的值。

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