Eclipse generates the new class with default return values for non-void methods.

eclipse为非void的方法产生带有默认返回值的新类。

youdao

If the method on the server-side component has a non-void return value, that value is passed into the callback function as its only argument.

如果服务器端组件上的方法具有非空返回值，该值就会作为其惟一的实参传递进此回调函数。

youdao

Non observance of one or more of the above mentioned articles will render this agreement null and void.

不遵守本合同上述任何条款的，将使本合同作废失效。

youdao

They are violations of the non-aggression principle and therefore are null and void.

FORBES: Restoring a Balance of Power Between Individuals and the State

Thank goodness SSDI can fill this void, since because of its non-specificity of symptoms, health insurance companies often turn down these highly subjective claims.

FORBES: Fraud And Disability Equal A Multibillion Dollar Black Hole For Taxpayers