Explore topic-wise MCQs in Java.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Java knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of these class encapsulate the runtime state of an object or an interface?

A. Class
B. Object
C. Runtime
D. System
Answer» B. Object
2.

What is the value of double consonant ‘E’ defined in Math class?$

A. approximately 3
B. approximately 3.14
C. approximately 2.72
D. approximately 0
Answer» D. approximately 0
3.

Which of these class is a superclass of all other classes?

A. Math
B. Process
C. System
D. Object
Answer» E.