Programming  Java  Principles

1. In Java Inheritance

all fields of a class are private all fields of a class are protected a new class is derived from an existing class none of these above

Share this QA

2. Primary purpose of inheritance is

code reuse overloading overriding ignoring irrelevant features from a software

Share this QA

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

final transient volatile none of these above

Share this QA

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

Abstraction Polymorphism Encapsulation Inheritance

Share this QA

5. A method cannot be overridden if it is qualified by which one of the following modifier?

friendly final static none of these above

Share this QA

6. Multiple inheritance is possible in java by means of

package object interfaces class

Share this QA

7. Method overloading

is a technique for implementing abstraction is a technique for implementing polymorphism is a technique for implementing encapsulation none of the above

Share this QA

8. Which of the following keyword is used to invoke superclass of an overriden method?

native new super static

Share this QA

9. Which method/methods cannot be overridden?

static final only a. both a and b

Share this QA

10. Select the correct statement

Method overloading is called compile time polymorphism Method overriding is called runtime polymorphism Only b. is correct Both a. and b. are correct

Share this QA

 

*Click on the QNo to display a Question.

Total Ans