Cognizant Senior Sharepoint Developer Interview Questions and Answers

Q1. What are oops concepts in java, explain real time scenario
Ans. 
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...read more
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Q2. Uses of interface, inheritance
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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
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Q3. SQL query for join of tables
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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
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Q4. Java concepts used in your project
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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 ...read more
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Q5. Overloading vs overriding, practical uses
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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...read more
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Q1. What is apex use in salesforce
Ans. 
Apex is a programming language used in Salesforce for creating custom business logic and functionality.
• Used to write custom code on the Salesforce platform

• Apex classes are used to define data types and methods

• Triggers are used to perform actions before or after records are inserted, updated, or deleted
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Q2. How to LWC use in salesforce
Ans. 
LWC (Lightning Web Components) are a modern UI framework for building web components in Salesforce.
• LWC allows developers to build components using modern web standards like JavaScript and HTML.

• LWC can be used to create custom user interfaces in Salesforce Lightning Experience.

• LWC can interact with Salesforce data and metadata using Apex controllers and Lightning Data Service.
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Q1. What is java? What is variable?
Ans. 
Java is a popular programming language used for developing various applications. A variable is a named memory location used to store data.
• Java is an object-oriented language

• It is platform-independent

• Variables in Java have a specific data type

• Variables can be assigned values and their values can be changed

• Example: int age = 25; String name = "John";
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Q2. What is inheritance? types of inheritance
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Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows code reuse and promotes code organization.

• There are different types of inheritance: single inheritance, multiple inheritance, multilevel inheritance, and hierarchical inheritance.

• Single inheritance involves a class inheriting from a single base class.

• Multiple inheritance involves...read more
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Q3. 1.Java is a high level language 2.java is a programme is called a set of instructions 3.java run time environment (jre) 4.java is a platform independent. Variable: A variable which is container that some d...read more
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Q4. Inheritance; 1.Acquring the properties of parent class to the child class with out changeing the properties of parent class is known as inheritance 2.inheritanc is a is relationship 3.extends keyword is us...read more
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Inheritance is acquiring properties of parent class to child class without changing parent class properties. It is classified into 5 types.
• Inheritance is a way to reuse code and establish a relationship between classes

• The 'extends' keyword is used to implement inheritance in Java

• Examples of inheritance include a 'Car' class inheriting properties from a 'Vehicle' class

• Single level inheritance involves one parent class a...read more
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May I about you ? Which your qualification and which stream

General aptitude test involving percentages and ratios.

Moderate level questions, 2 easy and 1 medium question

Q1. Just discussion on what technology one knows and the mode of working style.
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Q2. Do you know about CD/CI?
Ans. 
CD/CI stands for Continuous Delivery/Continuous Integration, a software development practice to automate the process of testing and deploying code changes.
• CD/CI is a software development practice that involves automating the process of testing and deploying code changes.

• Continuous Integration (CI) involves automatically building and testing code changes as they are committed to the repository.

• Continuous Delivery (CD) i...read more
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Q3. Do you know what is Spring boot?
Ans. 
Spring Boot is a Java-based framework used for creating standalone, production-grade Spring-based applications.
• Spring Boot simplifies the process of developing Spring applications by providing a set of default configurations.

• It allows for easy deployment of applications by embedding the application server within the application itself.

• Spring Boot includes features like auto-configuration, starter dependencies, and prod...read more
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Q1. General HR questions like shift flexibility, about family, native place.
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Q1. Java 8 oops spring spring boot rest api
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Q1. Java 8 spring stream api java oops rest api
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Q1. It was salary negotiation round which went good with a FAKE promise that the offer will be rolled out the next day which was also the last working day , they didnt roll the offer out with a lame excuse .
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Q1. Types of Sharing Rules
Ans. 
Sharing rules control access to records that are owned by other users or in public groups.
• Criteria-based sharing rules

• Owner-based sharing rules

• Manual sharing

• Apex managed sharing
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Q2. Trigger Scenario-based Questions
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Q3. Types of LWC Decorators
Ans. 
LWC Decorators are used to enhance the functionality of Lightning Web Components.
• Wire Decorator - used to get data from Apex controllers

• Track Decorator - used to track changes in a property

• Api Decorator - used to expose a property or method to other components

• AuraEnabled Decorator - used to call an Apex method from a Lightning component

• LightningMessageService Decorator - used to subscribe to and publish events
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