Indus Net Technologies Interview Questions and Answers for Freshers

The basic pillars of OOP are encapsulation, inheritance, and polymorphism.

• Encapsulation: bundling of data and methods that operate on that data within a single unit

• Inheritance: ability of a class to inherit properties and methods from a parent class

• Polymorphism: ability of objects to take on multiple forms or behaviors depending on the context

JRE is a runtime environment, JDK is a development kit, and JVM is a virtual machine.

• JRE stands for Java Runtime Environment and is used to run Java applications.

• JDK stands for Java Development Kit and is used to develop Java applications.

• JVM stands for Java Virtual Machine and is responsible for executing Java bytecode.

• JDK includes JRE and additional development tools such as compilers and debuggers.

• JVM is platform-dependent and provides a layer of abstraction between Java c...read more

Remove duplicate strings in an array

• Use a Set data structure to store unique strings

• Iterate through the array and add each string to the Set

• Convert the Set back to an array to get the final result

Find the unique value in an array of strings

• Iterate through the array and use a hashmap to store the frequency of each element

• Return the element with frequency 1 as the unique value

Drupal 8 offers improved performance, better security, and more modern features compared to Drupal 7.

• Drupal 8 has a more user-friendly admin interface

• Drupal 8 uses Symfony components for improved performance

• Drupal 8 has better multilingual support out of the box

• Drupal 8 has improved content authoring capabilities with CKEditor integration

• Drupal 8 has enhanced mobile responsiveness with built-in responsive themes