My Report

Object Oriented Programming Mock Test 4


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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 10%

Question 1 of 10

1. If a class is extending/inheriting another abstract class having abstract method, then _______________________

Question 1 of 10

Question 2 of 10

2. When is the memory allocated for an object?

Question 2 of 10

Question 3 of 10

3. Which feature of OOP reduces the use of nested classes?

Question 3 of 10

Question 4 of 10

4. How much memory will be allocated for an object of class given below?

class Test
{
	int mark1;
	int mark2;
	float avg;
	char name[10];
};

Question 4 of 10

Question 5 of 10

5. Which operator can be used to check the size of an object?

Question 5 of 10

Question 6 of 10

6. What will be the output of the following code?

import java.awt.Point;
class Testing
{
	public static void main(String[] args)
	{
		Point p1,p2;
		p1=new Point(100,100);
		p2=p1;
		p1.x=200;
		p1.y=200;
		System.out.println(“Point 1: ” + p1.x + ”, “ + p1.y);
		System.out.println(“Point 2: ” + p2.x + ”, “ + p2.y);
	}
}

Question 6 of 10

Question 7 of 10

7. How to overcome the problem arising due to destruction of temporary object?

Question 7 of 10

Question 8 of 10

8. Pass by address passes the address of object _________ and pass by reference passes the address of the object _________

Question 8 of 10

Question 9 of 10

9. Is the destruction of temporary object safe (while returning object)?

Question 9 of 10

Question 10 of 10

10. Which among the following is a mandatory condition for array of objects?

Question 10 of 10


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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