LTIMindtree Senior Developer Interview Questions and Answers

Q1. What is singleton class
Ans. 
A singleton class is a class that can only have one instance created throughout the application.
• Singleton classes are often used for logging, caching, database connections, and thread pools.

• They have a private constructor to prevent multiple instances from being created.

• The class typically provides a static method to access the single instance.
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Q2. What is Method reference
Ans. 
Method reference is a shorthand syntax for lambda expressions to call a method.
• Method reference is used to refer to a method without invoking it.

• It can be used to make code more concise and readable.

• There are four types of method references: static, instance, constructor, and array constructor.
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Q1. What is saveable datapage
Ans. 
A saveable datapage is a data page in Pega that can be saved to the database for future reference.
• Saveable datapages allow for storing and retrieving data in Pega applications.

• They can be used to store user input, system-generated data, or any other relevant information.

• Saveable datapages can be accessed and modified throughout the application as needed.
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Questions were not so tough

Q1. Basic java questions, Spring boot scenario based question. One code snipet on hashmap
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Q2. Project experience , technologies used in your project
Ans. 
I have worked on multiple projects using various technologies.
• Developed a web application using Java, Spring MVC, and Hibernate.

• Built a mobile app using React Native and Redux.

• Implemented a data analytics platform using Python, Pandas, and NumPy.

• Created a RESTful API using Node.js and Express.

• Collaborated on a project using Agile methodologies and JIRA for project management.
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