greytHR Senior Software Engineer Interview Questions and Answers

The level of test was mixture of easy and tough questions

Q1. Some analytics questions related to problem solving
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Q1. To describe about any recently watched movie
Ans. 
I recently watched the movie 'Inception'.
• Directed by Christopher Nolan

• Genre: Science fiction, Action, Thriller

• Starring Leonardo DiCaprio, Joseph Gordon-Levitt, Ellen Page

• The movie explores the concept of shared dreaming and subconscious manipulation

• It has mind-bending visuals and a complex plot
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Q1. DSA like stack,
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Q2. Framework questions
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Q1. Explain psvm in java
Ans. 
psvm in Java stands for public static void main, which is the entry point for a Java program.
• psvm is the method signature for the main method in Java programs.

• It is used to start the execution of a Java program.

• It must be declared as public, static, and void.

• It takes an array of strings as an argument, which can be used to pass command line arguments.
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Q2. Explain collection
Ans. 
A collection is a group of related objects or data items that are stored together.
• Collections can be implemented using data structures like arrays, lists, sets, maps, etc.

• Collections allow for easy manipulation and organization of data.

• Examples of collections include arrays of integers, lists of strings, sets of unique values, and maps of key-value pairs.
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Hackerrank test consitin of 2 DSA questions and 1 api development question

Q1. Javascript question Diff b/w function declaration and expression, types of scope, Call,bind and apply,
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Q1. Lexical Scope and questions based on scope
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Q1. Technical interview includes questions in dotnet core, C# , angular and SQL. It includes questions like middleware,startup.cs file configuration, dependency injection,cors and char frequency counter progra...read more
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Q1. In this round we had discussion regarding previous company project and ReactJS including concepts like life cycle , hooks and state management. It also includes scenario based questions related to team man...read more
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Q1. Mostly about yourself and salary discussion
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Q1. Difference between AOT and JIT
Ans. 
AOT compiles code before runtime, JIT compiles code during runtime.
• AOT stands for Ahead Of Time compilation, compiles code before execution

• JIT stands for Just In Time compilation, compiles code during execution

• AOT produces machine code that can be executed directly

• JIT converts code into machine code as needed, optimizing performance

• Examples: AOT - Angular, JIT - Java Virtual Machine
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Q1. Questions on Java8, Multithreading, Collections, Spring boot
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