Revision Grade 10(MCQ1)

The expression which uses > = operator is known as:

• Relational

• Logical

• Arithmetic

• Assignment

Ternary operator is a:

• Logical

• Relational

• Conditional

• Arithmetic

Among the following which is a keyword:

• every

• all

• case

• each

The output of “Remarkable”.substring(6) is

• mark

• emark

• ble

• able

Function overloading follows which principle of Object Oriented programming?

• Inheritance

• Polymorphism

• Encalsulation

• Data abstraction

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

• 0

• 1

• true

• 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?

• Information and operation

• Data members and Member methods

• Data members and information

• Member methods and operation

What Will be the output for: System.out.print(Character.toLowerCase('1'))

• 0

• 1

• true

• false

Assertion(A): In java statements written in lower case letter or upper case letter are treated as the same.

Reason(R): Java is a case sensitive language

• Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation of Assertion (A)

• Both Assertion (A) and Reason (R) are true and Reason (R) is not a correct explanation of Assertion(A)

• Assertion (A) is true and Reason (R) is false

• Assertion (A) is false and Reason (R) is true

The number of bytes occupied by a character array of 10 elements

• 20 bytes

• 40 bytes

• 10 bytes

• None of the above