Hyundai Motor India Limited Java Developer Interview Questions and Answers

First Round was Aptitude and coding round. It consist 70 question, 30 aptitude question and 40 mcq type coding question

Q1. Find the one repeated number in an array and asked for four approaches
Ans. 
Find the one repeated number in an array using four different approaches.
• Approach 1: Using a hash set to store unique elements and checking for duplicates

• Approach 2: Sorting the array and checking adjacent elements for duplicates

• Approach 3: Using XOR operation to find the repeated number

• Approach 4: Using the sum formula to find the repeated number
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Q2. Simple sql queries
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1 hour, 45 questions

Q1. Introduce Yourself?
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Strong problem-solving skills

• Experience working in Agile development environment

• Familiar with version control systems like Git

• Passionate about learning new technologies
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Q2. What are your strengths?
Ans. 
My strengths include problem-solving skills, attention to detail, and strong programming abilities.
• Strong problem-solving skills - I am able to analyze complex problems and come up with effective solutions.

• Attention to detail - I pay close attention to the details in my code to ensure accuracy and quality.

• Strong programming abilities - I have a solid understanding of various programming languages and technologies.

• Team ...read more
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Q3. Why should we hire you?
Ans. 
I have a strong background in software development, a passion for learning new technologies, and a proven track record of delivering high-quality code.
• Extensive experience in software development

• Passion for learning new technologies

• Proven track record of delivering high-quality code
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Q1. Java 8 questions. What is lambda function.
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Q2. Given an array use Java 8 feature to sum all no and give output
Ans. 
Sum all numbers in an array using Java 8 features.
• Use the stream() method to convert the array into a stream of elements.

• Use the mapToInt() method to convert the stream of elements into a stream of integers.

• Use the sum() method to calculate the sum of all integers in the stream.
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Q3. Second largest element in an array
Ans. 
Find the second largest element in an array of strings.
• Sort the array in descending order

• Return the element at index 1
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Maximum some in an array

Quantitative, verbal

2 coding questions easy, medium

Q1. SQL queries, java, oops
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Q2. Projects resume
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2 leetcode easy questions

Q1. An hour interview with hiring managers
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Q1. Java 1.8 questions
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Q2. AWS related questions
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Q1. Which language you will code
Ans. 
I am proficient in coding in multiple languages including Java, Python, and JavaScript.
• Java

• Python

• JavaScript
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Q2. Dsa topics in java
Ans. 
Data Structures and Algorithms topics commonly used in Java programming.
• Arrays and ArrayLists

• Linked Lists

• Stacks and Queues

• Trees and Graphs

• Sorting and Searching algorithms

• Dynamic Programming

• Hashing and Hashmaps
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Q1. About yourself and introduce
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