ZeroCodeHR Interview Questions, Process, and Tips

Was easy based on basic cognitive logical reasoning quants and verbal and some puzzles

2 nd was group discussion where its for 10 minutes ,u need to talk relevent points and you will be shortlisted to next round

Q1. Difference betwen python and java
Ans. 
Python is a high-level, interpreted programming language known for its simplicity and readability, while Java is a statically typed, object-oriented language with a strong emphasis on performance and scalability.
• Python is dynamically typed, while Java is statically typed.

• Python uses indentation for code blocks, while Java uses curly braces.

• Python is commonly used for web development, data analysis, and artificial intel...read more
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Q2. What is exception handling in java
Ans. 
Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.
• Exception handling allows developers to gracefully handle errors that occur during program execution.

• In Java, exceptions are objects that are thrown when an error occurs.

• Developers can use try, catch, and finally blocks to handle exceptions.

• Example: try { // code that may throw an exception } catch (Exception e) { // handle t...read more
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Q3. What is react and explain its components
Ans. 
React is a JavaScript library for building user interfaces.
• React allows developers to create reusable UI components.

• It uses a virtual DOM for efficient rendering.

• React can be used for building single-page applications.

• Components in React can have state and props.

• React follows a unidirectional data flow.
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Q1. Sql based question which was of moderate level
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Q2. Dsa question based on hashmap,hashset and questions on oops
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Q3. Basic java psuedocodes and (when this syntax what happens)like questions
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Q4. Expalination of projects in java
Ans. 
Projects in Java involve developing software applications using the Java programming language.
• Java projects can range from simple console applications to complex web applications.

• Common Java project topics include data structures, algorithms, GUI development, and database connectivity.

• Examples of Java projects include a student management system, a banking application, and a social media platform.
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Q5. Questions based on html react and css(basically questions will be asked on the skills which you mentioned in resume)
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Q1. Interaction with manager on your communication skils and values and some technical
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Q1. Interaction with hr this was final round
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Basic aptitude, basic math

A group of 10 my topic was technical skills vs soft skills

Q1. Differentiate between Primary key and unique
Ans. 
Primary key uniquely identifies a record in a table, while unique constraint ensures values in a column are unique.
• Primary key is used to uniquely identify each record in a table

• Primary key does not allow NULL values

• Unique constraint ensures that all values in a column are unique

• Unique constraint allows NULL values
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Q2. MySQL commands and questions on them.. then hr questions
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Duration was 30min and 35 ques

Topic was deadlines effect creativity

Q1. Sql ques on queries,joins
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Q2. Java basic and other langs
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All the concepts including english synonyms and antonyms

Topic-Is world ready for cashless transaction?

Q1. Tell me about yourself?
Ans. 
I am a passionate software engineer with experience in developing web applications and a strong background in computer science.
• Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React

• Strong background in computer science with knowledge of data structures and algorithms

• Proficient in programming languages such as Java, Python, and C++

• Team player with excellent communication a
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Q2. What are u proficient in ? and where did u apply them?
Ans. 
Proficient in Java, Python, SQL, and web development. Applied in various projects and internships.
• Java - Developed backend systems for e-commerce platform

• Python - Created data analysis scripts for research project

• SQL - Managed databases for inventory tracking system

• Web development - Designed and implemented front-end for company website
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