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package 面向对象核心;
public class TestFinal { public static void main(String[] args) { A a = new A(); B b = new B(); b.b = 2; } }
final class A{ final int a = 1; }
class B /*extends A* 报错,final修饰的类无法被继承*/{ int b; final public void func(int x) { } public void func(double x) { } }
class C extends B{
}
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