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Questions and Answers
What is a class in object-oriented programming (OOP)?
What is a class in object-oriented programming (OOP)?
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Which term refers to the ability of objects of different types to be treated as objects of a common type?
Which term refers to the ability of objects of different types to be treated as objects of a common type?
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What does encapsulation in OOP involve?
What does encapsulation in OOP involve?
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What is the purpose of inheritance in OOP?
What is the purpose of inheritance in OOP?
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Which term refers to the process of simplifying complex systems by modeling classes based on essential properties and behaviors?
Which term refers to the process of simplifying complex systems by modeling classes based on essential properties and behaviors?
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What is an interface in OOP?
What is an interface in OOP?
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What does method overloading involve?
What does method overloading involve?
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What is an object in the context of OOP?
What is an object in the context of OOP?
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What promotes code reuse and establishes a relationship between classes in OOP?
What promotes code reuse and establishes a relationship between classes in OOP?
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What does polymorphism in OOP refer to?
What does polymorphism in OOP refer to?
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What is an abstract class in object-oriented programming?
What is an abstract class in object-oriented programming?
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What is the purpose of a constructor in Java?
What is the purpose of a constructor in Java?
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What is the purpose of getter and setter methods in Java?
What is the purpose of getter and setter methods in Java?
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What does a static variable or method belong to in Java?
What does a static variable or method belong to in Java?
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What are checked exceptions in Java?
What are checked exceptions in Java?
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What does the 'finally' block in exception handling do in Java?
What does the 'finally' block in exception handling do in Java?
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What does the 'throws' keyword specify in Java?
What does the 'throws' keyword specify in Java?
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What are concurrency collection classes in Java used for?
What are concurrency collection classes in Java used for?
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What does the 'Comparator' interface in Java provide?
What does the 'Comparator' interface in Java provide?
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Which class is the root class for all exceptions and errors in Java?
Which class is the root class for all exceptions and errors in Java?
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What type of exceptions are checked at compile-time in Java?
What type of exceptions are checked at compile-time in Java?
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Which block is commonly used for cleanup operations in Java?
Which block is commonly used for cleanup operations in Java?
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What is the purpose of a throws clause in method signatures in Java?
What is the purpose of a throws clause in method signatures in Java?
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Which type of exceptions are not checked at compile-time in Java?
Which type of exceptions are not checked at compile-time in Java?
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Which exception is thrown when attempting to access a file that does not exist?
Which exception is thrown when attempting to access a file that does not exist?
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What indicates that the Java Virtual Machine (JVM) runs out of memory?
What indicates that the Java Virtual Machine (JVM) runs out of memory?
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What type of exceptions are derived from the RuntimeException class or its subclasses?
What type of exceptions are derived from the RuntimeException class or its subclasses?
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What is a subclass in object-oriented programming (OOP)?
What is a subclass in object-oriented programming (OOP)?
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What is a superclass also known as in object-oriented programming (OOP)?
What is a superclass also known as in object-oriented programming (OOP)?
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What does reusability facilitate in object-oriented programming (OOP)?
What does reusability facilitate in object-oriented programming (OOP)?
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