Shell Recharge Solutions Senior Software Engineer Interview Questions and Answers

Q1. What is the use of static keyword
Ans. 
Static keyword is used in programming to declare variables, methods, or classes that belong to the class itself rather than instances of the class.
• Static variables are shared among all instances of a class

• Static methods can be called without creating an instance of the class

• Static classes cannot be instantiated and are used for grouping related methods or constants

• Static keyword is also used in C to declare functions t
Answered by AI
Add your answer

Q1. Basics Oops concepts and SQL queries along with currently working projects stacks
Add your answer

Q1. More in-depth technical questions use of reflections etc
Add your answer

Q1. Usual HR interviews company values etc
Add your answer

Q1. Tell about Oops concepts
Ans. 
OOPs concepts are fundamental principles in object-oriented programming, including inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex imple...read more
Answered by AI
Add your answer

Q1. Will ask coding related
Add your answer

Q1. What is Expected salary
Add your answer

Q1. Describe Life cycle in react
Ans. 
React has three main phases in its lifecycle: mounting, updating, and unmounting.
• Mounting: when a component is created and inserted into the DOM

• Updating: when a component is updated due to changes in props or state

• Unmounting: when a component is removed from the DOM

• Lifecycle methods can be used to perform actions at each phase, such as componentDidMount() or componentWillUnmount()

• React also has error handling methods,
Answered by AI
Add your answer
Q2. Explain strict mode in javascript and it's use
Ans. 
Strict mode is a way to write secure and optimized JavaScript code.
• Enables catching of silent errors

• Disallows duplicate property names or parameters

• Prevents use of undeclared variables

• Makes `eval()` safer to use

• Throws errors on invalid usage of `this` keyword
Answered by AI
Add your answer

CURD operations along with implementation of a mock UI

Q1. More about API automation
Add your answer

It was aptitude and technical MCQ questions round

Q1. Technical interview- regarding skills mentioned in resume and projects
Add your answer
Q2. In same round hr interview was done
Add your answer

Q1. Technical related questions
Add your answer

Q1. Salary discussion
Add your answer