Interview Questions and Answers for 'Amdoc' | Search Interview Question

Interview Questions and Answers - Order By Rating

Frequently asked to fresh graduates and less experienced.

Q31. Difference between Composition and Inheritance ?

Ans. Inheritance means a object inheriting reusable properties of the base class. Compositions means that an abject holds other objects.

In Inheritance there is only one object in memory ( derived object ) whereas in Composition , parent object holds references of all composed objects.

From Design perspective - Inheritance is "is a" relationship among objects whereas Composition is "has a" relationship among objects.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve java oops oops concepts inheritance object oriented programming (oops) oops concepts composition object oriented programming (oops) oops concepts difference between basic interview question Asked in 12 Companies basic frequent}

Try 2 Question(s) Test

Q32. How to find whether a given integer is odd or even without use of modulus operator in java?

Core Java

Ans. public static void main(String ar[])
{
int n=5;
if((n/2)*2==n)
{
System.out.println("Even Number ");
}
else
{
System.out.println("Odd Number ");
}
}

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve java code coding tricky questions interesting questions modulus operator Asked in 4 Companies frequent}

Q33. Explain Application / Server architecture being used in your project ?

or

Explain your project architecture ?

Ans. We are using cluster of Web servers and Application servers. Load Balancer is used to manage the load between them. Down the layer we have middleware server and then DB server to access database.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve architecture production support java servers application support Asked in 7 Companies frequent}

Q34. How are values passed in Java ? By value or reference ?

Core Java

Ans. Java only provides pass by value.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve ebay pass by value pass by reference method call methods functions function call Asked in 10 Companies basic frequent}

Q35. How is multiple inheritance implemented in Java ?

Core Java

Ans. There was no multiple inheritance in java before version 8 as implementing multiple interfaces cannot be termed as inheritance.

With Java 8 , came the concept of default methods wherein the class implementing the interface carries the default implementation from the interface and hence facilitating multiple inheritance.

Help us improve. Please let us know the company, where you were asked this question :

_{Like Discuss Correct / Improve multiple inheritance object oriented programming (oops) oops concepts inheritance object oriented programming (oops) oops concepts oops concept Asked in 10 Companies frequent}

Search Interview Questions

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.