Which of the following is a valid Integer constant:
i. 4
ii. 4.0
iii. 4.3f
iv. "four"

1. Only i
2. i and iii
3. ii and iv
4. i and ii

The method compareTo() returns …………… when two strings are equal and in lowercase :

1. true
2. 0
3. 1
4. false

Read the following text, and choose the correct answer:

A class encapsulate Data Members that contains the information necessary to represent the class and Member methods that perform operations on the data member.

What does a class encapsulate?

1. Information and operation
2. Data members and Member methods
3. Data members and information
4. Member methods and operation

Assertion (A): Call by value is known as pure method.

Reason (R): The original value of variable does not change as operation is performed on copied values.

1. Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A)
2. Both Assertion (A) and Reason (R) are true and Reason (R) is not a correct explanation of Assertion (A)
3. Assertion (A) is true and Reason (R) is false
4. Assertion (A) is false and Reason (R) is true