Class Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Topic :: Class

Class Interview Questions

Questions Answers Views Company eMail

how to explain soil classification

1 5237

what is default accessibility for a class? what is difference b/w viewstate and controlstate? what is the default access specifier for a top level class which are not nested into other classes?

2 3975

Why are the destructors for base class and derived class called in reverse order when the program exits

HCL,

2130

what is a class

6 7524

abstract class Demo { public void show() { System.out.println("Hello I am In show method of Abstract class"); } } class Sample extends Demo { public void show() { super.show(); System.out.println("Hello I am In Sample "); } } public class Test { public static void main(String[] args) { //I WANT TO CALL THE METHOD OF BASE CLASS IT IS POSSIBLE OR NOT CAN WE USE SCOPE RESOLUTION OPERATOR TO CALL OR JAVA NOT SUPPORTED THAT :: OPERATORE } }

3 13835

difference between byte stream class and character stream class?

4488

There are a class A. Another class B derived from it. Now if I do A a = new B(); and B b = new B(); What will happen in both the statements. And what is the difference between these two statements.

HCL,

3 6871

what are wrapper classes

2 3949

Can we create object of class with private constructor?

5 8488

public class Base { public void myMethod(int a,intb) {} } // Uses myMethod and then hides it. public class DerivedOne extends Base { private void myMethod(int a,int b); } will this compile or not .yes or no. why

2 4418

I created a class which is inherited from interface IDisposable. Now if I use object of this class with using keyword. Then How the dispose method will get call. Does garbage collector call it or some else.

Sapient,

2 6258

write a c++ program to create class student having datamember name,Roll_no,age,and branch intilcization all the member using constructor print the all the details on the screen.

2650

In java a final class is a class that cannot be derived. How can you make a similar class in C++

1 4080

create a class complex having real and imaginary part of a complex no. as a data member. overload the binary operators(+,- and *) to perform the operations on complex no. objects. overload binary operator using friend function.

CTS, Delhi University,

2 5654

At what stage, operator can change the class and priority of a submitted job?

2 5595