Java Genius

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

formula which gives instructions for the computer to perform a specific task

• Data structure

• bit depth

• bit-mapped graphic

• Algorithm

Which of the following is the correct main() method signature in Java?

• public static void main (String [] args)

• public static void Main (String [] args)

• public static void main (string [] args)

• public static void main (String args)

_______ is a piece of memory that can contain a data value.

• array

• structure

• string

• variable

Which of these are selection statements in Java?

• break

• continue

• for( )

• if( )

Answer explanation

Explanation: Continue and break are jump statements, and for is a looping statement.

Arrange the words given below in a meaningful sequence.

1. Police 2. Punishment 3. Crime 4. Judge 5. Judgement 

• 3, 1, 2, 4, 5

• 1, 2, 4, 3, 5

• 5, 4, 3, 2, 1

• 3, 1, 4, 5, 2

Number of primitive data types in Java are ?

Answer explanation

There are 8 types of primitive data types- int, char, boolean, byte, long, float, short, double.

A class member declared protected becomes member of subclass of which type?

• Public member

• Private member

• Static member

• Protected member

Answer explanation

A class member declared protected becomes private member of subclass.

Which was India’s first mission to the Moon ?

• Chandrayaan o

• Chandrayaan 1

• Aditya moon mission

• Astrosat

Which is the first Indian Institute of Technology ( IIT ) ?

• IIT MADRAS

• IIT Guwahati

• IIT KHARAGPUR

• IIT DELHI