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

Topic :: Class

Class Interview Questions

Questions Answers Views Company eMail

what is the size of an empty class

Wipro,

12 16700

a biology class has 12 boys and 18 girls what fraction of the class are boys

Financial Technologies,

2 6496

There are 2 classes . Class A and Class B. In Class A i declared a variable in private. if we can access this private variable in Class B. If yes means , how we can access ?

HCL, Itx Centrics, Virtusa,

7 12660

what are the effect of the command ip classless on both calssful and classless routing protocols

2 4598

when to for abstract class and when to go for interface

2 4691

How to call a function when a class implements 2 interfaces and function is present in both interfaces?

2 4882

what are the stoge class in C and tel the scope and life time of it?

Tech Mahindra,

2 5861

How to set path and classpath for java in linux

2 5873

if we inherit class in stack so object of stack will store in stack or heap? as class a { int s; public aa(){} } stack mystack:a { } mystack obj; ans: about obj

1 3802

Write a class which checks whether a given number is prime or not. Write another class to implement the behavior of previous class and print the series of twin prime number upto a given range.

1904

class A { private int i; } class B extends A { private int i; } if I create an object of B class what will be the memory of that object.

Yamaha,

2 8656

what is the main class of all the classes

Photon,

5 8052

What are the types of classes in java?

HCL,

4 9465

Difference between abstract class and interface

Fidelity,

2 5793

What is Generic in java? Where can we write Generic ( class or method or objects or etc...)? with simple example? Thanks, Bose. Infosys 2 In which way does a Primitive data type is passed ? Sun- Microsystems 4 what is the use of declaring constructor as private? Sai- Softech 5 what is difference between global methods and local methods? 1 What is meant by class loader and how many types are there? Apple 1 what is meaning of JIT? 4 What is an abstract class? Wipro 5 what is filters and its use? Virtusa 2 why is multiple inheritance not allowed in java? Elementus-Technologies 7 Differences between jdk 1.4 and 1.5 Wipro 4 is JVM platform dependent or independent..? IBM 6 what is main purpose of abstract class? 5 what is difference between colection and collections? Tech-Mahindra 11 What error occurs if a try-catch-finally statement sequence does not have a catch clause? 2 Explain the difference between scrollbar and scrollpane? 1 Explain the differences between public, private, protected and static? 4 Explain the difference between getAppletInfo and getParameterInfo? 1 Is Cegonsoft Pvt.Ltd. a good Institute? 4 Why only one Class is public in one file? Explain in details. Thanks in Advance. 11 Which method will get invoked first in a stand alone application?

2910