Question 1

Iterators are a generic way to go through all the elements of a ______ no matter how it is organized.

A. liststack B. container C. array D. collection

Question 2

What is the value of the expression !(5 > 3) using the logical NOT operator in Java?

A. true B. false C. 5 D. 3

Question 3

Loop ______ the program code.

A. elongates B. strengthens C. reduces D. none of these

Question 4

If x is 6 and y is 2, what is the value of the expression x %= y using the compound assignment operator in Java?

A. 0 B. 1 C. 2 D. 3

Question 5

What is one disadvantage of procedural programming compared to object-oriented programming?

A. Increased complexity in code structure B. Difficulty in managing data encapsulation C. Lack of support for procedural abstraction D. Poor performance in executing functions

Question 6

Which OOP concept promotes the ability of an object to take multiple forms?

A. Encapsulation B. Polymorphism C. Inheritance D. Abstraction

Question 7

How does OOP contribute to better maintenance of code?

A. By avoiding code organization B. By increasing code duplication C. By promoting code modularity and readability D. By eliminating the use of objects

Question 8

What is the default value of a boolean datatype in Java?

A. true B. false C. 0 D. null

Question 9

If b is 3 and c is 2, what is the result of the expression b >>= c using the compound assignment operator in Java?

A. 0 B. 1 C. 2 D. 3

Question 10

Why is method overloading not possible by changing the return type in Java?

A. It would lead to ambiguity and confusion during method resolution. B. It violates the principles of object-oriented programming. C. Java does not support dynamic dispatch based on return types. D. All of the above.

Java Programming Language