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I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
OOPs concepts in Java include inheritance, polymorphism, encapsulation, and abstraction.
Inheritance allows a subclass to inherit properties and methods from a superclass.
Polymorphism allows objects to take on multiple forms and behave differently based on their context.
Encapsulation hides the implementation details of an object and only exposes necessary information.
Abstraction allows for the creation of abstract class...
Interfaces define contracts for behavior, while inheritance allows for code reuse and polymorphism.
Interfaces allow for loose coupling and abstraction, enabling multiple implementations of the same behavior.
Inheritance allows for code reuse and extension of existing classes, reducing code duplication.
Polymorphism allows objects of different classes to be treated as if they were of the same class, simplifying code and i
SQL query for joining tables
Use JOIN keyword to combine two or more tables based on a related column
Specify the columns to be selected using SELECT keyword
Use ON keyword to specify the condition for joining the tables
Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
Used Java concepts such as inheritance, polymorphism, and exception handling in my project.
Implemented inheritance to create a base class and derived classes with specific functionalities.
Utilized polymorphism to allow objects of different classes to be treated as if they were of the same class.
Implemented exception handling to handle errors and prevent program crashes.
Used interfaces to define a set of methods that a ...
Overloading is having multiple methods with the same name but different parameters. Overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
Overloading is used to provide different ways to call a method with different parameters
Overriding is used to provide a specific implementation of a method in a subclass
Overloading is resolved at compile-time while overriding is r...
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I applied via Naukri.com and was interviewed in May 2024. There were 2 interview rounds.
Various technologies used in the project include Java, Spring Boot, Angular, MySQL, and Docker.
Java
Spring Boot
Angular
MySQL
Docker
First round is online test of 3 virtual rounds consist of aptitude , and coding
A singly linked list is a data structure where each element points to the next element in the list.
Each node in the list contains data and a reference to the next node
Traversal starts from the head node and follows the next pointers until the end
Insertion and deletion can be done efficiently at the beginning or end of the list
Basic aptitude questions held online with their portal
Broad coding and basic oops
posted on 15 Jun 2024
I applied via campus placement at Bangalore Institute Of Technology (BIT) and was interviewed in Dec 2023. There were 4 interview rounds.
There are some general programming questions as well as the reasoning problems in the first round they are likely to be easier.
I applied via campus placement at Anna University and was interviewed in Apr 2024. There were 3 interview rounds.
General topics were given
posted on 1 Oct 2024
Oops topic and aptitude
Online test which consists of java, angular, micro services related questions
Static methods belong to the class itself, while default methods are part of an interface in Java.
Static methods can be called without creating an instance of the class, while default methods are used to provide a default implementation in interfaces.
Static methods are defined using the 'static' keyword, while default methods are defined using the 'default' keyword in Java.
Static methods cannot be overridden in subclas...
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