JAVA QUIZ

What is the default access specifier for class members in Java?

Default

Public

Private

Protected

Which of the following is a call by value in Java?

Primitive data types

Arrays

Objects

Interfaces

Which of the following is a call by reference in Java?

Objects

Primitive data types

Arrays

Interfaces

Which keyword is used to define a constant variable in Java?

Final

Static

Constant

Immutable

Which loop in Java allows the code to execute at least once?

Do-while

For

While

Enhanced for

Which keyword is used to create an instance of a class in Java?

New

Instanceof

This

Super

Which loop in Java is used for iterating over elements of an array or collection?

For-each

Do-while

While

For

Which keyword is used to define a subclass in Java?

Extends

Implements

Sub

Inherits

Which statement is true about Java?

Java is a sequence-dependent programming language

Java is a code dependent programming language

Java is a platform-dependent programming language

Java is a platform-independent programming language

What is not the use of “this” keyword in Java?

Referring to the instance variable when a local variable has the same name

Passing itself to the method of the same class

Passing itself to another method

Calling another constructor in constructor chaining

Which of the following is a type of polymorphism in Java Programming?

Multiple polymorphism

Compile time polymorphism

Multilevel polymorphism

Execution time polymorphism

What is the extension of compiled java classes?

.txt

.js

.class

.java

Which of these are selection statements in Java?

If()

For()

Continue

Break

Which of these keywords is used to define interfaces in Java?

Intf

Interface

Which one of the following is not an access modifier?

Protected

Void

Public

Private

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