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Quiz-7(Core Java)

Authored by Vindhya Gaddam

Used 2+ times

Quiz-7(Core Java)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is an inner class in Java?

A class that is declared inside another class

A class that has no access to the outer class's members

A class that can only be instantiated from within the outer class

A class that cannot have any methods

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which keyword is used to create an instance of an inner class from an outer class?

new

inner

outer

this

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is a valid declaration of an inner class?

public class Outer { private class Inner { } }

public class Inner { }

private class Outer { class Inner { } }

public class Outer { static class Inner { } }

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary benefit of using inner classes in Java?

Enhanced performance

Improved code organization and encapsulation

Reduced memory usage

Simplified class hierarchy

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of inner class can access the private members of the outer class?

Static inner class

Local inner class

Non-static inner class

Anonymous inner class

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a local inner class?

A class with no access modifiers

A class that can only be instantiated from outside the outer class

A class that is defined within a static method

A class declared inside a method or a block of code

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Can an inner class access the instance variables of its outer class directly?

Yes, always

Yes, but only if the outer class is static

Yes, but only if the inner class is static

No, it cannot access instance variables of the outer class directly

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