问题详述集成推送后，启动就 crash，日志报 java.lang.NoClassDefFoundError: Failed resolution of: Lcom/alibaba/sdk/android/push/noonesdk/PushServiceFactory解决方法1、如果有使用 Mul...

Java中，什么是最终类与最终方法？它们的作用是什么？

final class A {}，这样定义的类A就是最终类，最终类不可被继承，也就是说，不能写这样的代码，class B extends A {}了。 final void B() {}，这样定义的方法就是最终方法，最终方法在子类中不可以被重写，也就是说，如果有个子类继承这个最终方法所在的类，那么这...

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更新时间 2024-05-04 02:02:29

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