java mod 7
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | Polymorphism
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| It is the ability to redefine methods for derived classes. | show 🗑
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| show | Method Overloading
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| show | Constructor Overloading
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| creating multiple methods having same name in one class | show 🗑
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| Providing a different implementation of a method in a subclass of the class that originally defined a method. | show 🗑
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| show | Polymorphism
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| show | The child class itself must be declared to be abstract.
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| show | Polymorphism
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| show | All the derived classes must implement the undefined functions
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| Polymorphism is particularly effective for implementing layered software systems. (t/f) | show 🗑
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| Which of the following is true about interfaces in java | show 🗑
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| show | False
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| show | all compiles
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| Can an object of a child type be assigned to a variable of the parent type? For example, Card crd; BirthDay bd = new BirthDay("Lucinda", 42); crd = bd; // is this correct? | show 🗑
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| show | No--if a class defines an abstract method the class itself must be abstract.
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| A method must do either of two things with a checked exception. What are those two things? | show 🗑
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| show | False
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| It is bad practice to throw an AssertionError explicitly. | show 🗑
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Created by:
gabsky