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Object Oriented Language

Object Oriented Language

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What is the order of access modifiers in Java, from most restrictive to least restrictive?

protected, default, private, public

private, default, protected, public

private, protected, default, public

public, default, protected, private

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Can a subclass override a static method in its superclass?

No, a subclass cannot override a static method in its superclass

Yes, but only if the subclass is a nested class

Yes, but only if the subclass is in the same package

Yes, a subclass can override a static method in its superclass

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Which access modifier allows access to a class, method, or variable within the same class and subclasses?

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What is method overloading in Java?

Defining a method that can be called with different types of parameters

Defining multiple methods with the same name and same parameters

Defining a method that can return different types of values

Defining multiple methods with the same name but different parameters

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Can a subclass access the protected members of its superclass?

Yes, a subclass can access the protected members of its superclass

Yes, but only if the subclass is a nested class

No, a subclass cannot access the protected members of its superclass

Yes, but only if the subclass is in the same package

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What is the difference between method overloading and method overriding?

Method overloading is used for specific code, while method overriding is used for generic code

Method overloading is used for instance methods, while method overriding is used for static methods

Method overloading is used for static methods, while method overriding is used for instance methods

Method overloading is used for generic code, while method overriding is used for specific code

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What is a superclass in Java?

A class that overrides a method

A class that is extended by another class

A class that implements an interface

A class that extends another class

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Can a subclass inherit the private members of its superclass?

No, a subclass cannot inherit the private members of its superclass

Yes, a subclass can inherit the private members of its superclass

Yes, but only if the subclass is a nested class

Yes, but only if the subclass is in the same package

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What is method overriding in Java?

A mechanism for hiding a method in a superclass

A mechanism for overriding a method in a superclass

A mechanism for extending a class

A mechanism for implementing an interface

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Can a class have a private constructor?

Yes, but only if the class is final

Yes, but only if the class is abstract

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