4 - Summary
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Practice Questions
Test your understanding with targeted questions
What is inheritance in object-oriented programming?
💡 Hint: Think of it as a child receiving traits from a parent.
What is an interface?
💡 Hint: It’s like a contract for a class.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of inheritance allows a subclass to inherit from one superclass?
💡 Hint: Consider the basic structure of class hierarchies.
True or False: An interface can contain concrete methods.
💡 Hint: Think about what a class is required to do when it implements an interface.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a Java class structure using inheritance to represent shapes. Include at least one subclass for a geometric shape and demonstrate method overriding.
💡 Hint: Think about how different shapes will have different ways to calculate their area, and implement that in code.
Implement multiple interfaces in a Java class. Create interfaces for 'Draw' and 'Paint', and have a class 'Art' that implements both.
💡 Hint: Consider how a single class can adopt behaviors from multiple interfaces.
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