更新时间:2021-09-30 22:55:44
容易(但为什么?):
class AbstractClass {
AbstractClass(){ /* useful implementation */ }
}
class ConcreteClass1 extends AbstractClass {
ConcreteClass1(){ super(); /* useful implementation */ }
ConcreteClass1(boolean skip){ super(); }
}
class CustomizedClass1 extends ConcreteClass1 {
CustomizedCLass1(){ super(true); /* useful implementation */ }
}