General - Interview Questions and Answers for 'Indra' | Search Java Interview Question

General - Interview Questions and Answers for 'Indra' - 5 question(s) found - Order By Newest

Basic and Very Frequently asked.

Q1. What is Polymorphism in Java ?

Core Java

^{2016-11-06 09:10:54}

Ans. Polymorphism means the condition of occurring in several different forms.

Polymorphism in Java is achieved in two manners

1. Static polymorphism is the polymorphic resolution identified at compile time and is achieved through function overloading whereas

2. Dynamic polymorphism is the polymorphic resolution identified at runtime and is achieved through method overriding.

Sample Code for overloading

Sample Code for overriding

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Very Frequently asked Spring question.

Q2. What is bean auto wiring?

Spring

^{Admin
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Ans. The Spring container is able to autowire relationships between collaborating beans. This means that it is possible to automatically let Spring resolve collaborators (other beans) for your bean by inspecting the contents of the BeanFactory without using and elements.

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Frequently asked in face to face interviews.

Q3. Write a program to print fibonacci series.

Core Java

Ans. int count = 15;
int[] fibonacci = new int[count];
fibonacci[0] = 0;
fibonacci[1] = 1;
for(int x=2; x < count; x++){
fibonacci[x] = fibonacci[x-1] + fibonacci[x-2];
}

for(int x=0; x< count; x++){
System.out.print(fibonacci[x] + " ");
}

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Usually asked to entry level software developers.

Q4. Write a program to swap two variables without using third

Core Java

^{2017-01-19 15:38:34}

Ans. public static void main(String[] args) {
   int num1 = 1;
   int num2 = 2;
   num1 = num1^num2;
   num2 = num1^num2;
   num1 = num1^num2;
   System.out.print("num1 = " + num1 +", num2 = "+num2);
}

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Q5. Why do you want to leave your current job ?

General

^{2018-05-11 07:39:41}

Ans. The most effective and acceptable reasons for leaving your current job should be positive e.g. moving forward in your life or career

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