NPTEL - Programming In Java -Week 02 : Assignment 02

 

Week 02 : Assignment 02

Due date: 2024-02-07, 23:59 IST.

In Java programming an object can take many forms. This feature is called ______.

 b. Polymorphism

Which of the following is a valid declaration of an object of class, say NPTEL?

 a. NPTEL obj = new NPTEL();

A default constructor_______________________

 a. has no arguments

A top-level class may have which one of the following access modifiers?

 d. public

Integer in Java is a\an _______.

 d. Wrapper class

What is true about the new operator?

 c. obtains memory for a new variable

Which one is not supported by OOP?

 d. Global variables

Which of the following modifiers can be used to disallow a method from being overridden?

 a. final

Consider the following code segment

Identify the line number(s) where there is/are error(s) in the above code.

 b. 2

Which of the following is TRUE about print() and println() methods?

 b. println() prints and then appends a line break.