Infosys Interview Experience for Java Developer

My interview started at sharp 4:00 pm, it was on the cisco webex platform. I got the interview opportunity through the Infosys portal after applying. My interview was for the Java Developer-Java role. The interview continues for one hour. 

The questions were based on the skills I mentioned on my resume. First, they start by introducing yourself and your role in the current project. Later they moved to skills.

Java:

• What is OOP and what are the advantages?
• What is string immutable?
• What is a class that supports string mutable?
• Difference between String and String Buffer?
• Difference Between Array and List?
• What are the classes implemented using Array and Lists?
• Difference Between List, Set, and Map?
• What is WeakHashMap?
• What type of inheritance supported in java?
• What are the Entity Relationships supported in Java-like one-to-one?
• Does java 8 support multiple interfaces?
• Can you define a method in the interface?
• What is Static Overloading and Dynamic Overloading?

MySQL:

• How to add Constraints for an existing table (Syntax)
• Explain DML Operations
• What is a composite key?
• How to add and Drop a Foreign key?
• Explain joins?
• What happens if you use inner join with no conditions?
• What is Stored Procedure?

Angular:

• What are the advantages of angular?
• Angular Directory Structure
• Explain Angular Routing?
• Some questions on pipes?

JavaScript:

• What is the closure?
• Is your Application browser Friendly?

Git:

• What is Git?
• Explain a few git commands?
• Explain few syntaxes for git commands?
• How to create a new branch?

This time already 5, and they said that’s all for now. We will call you back.