HCLTech Associate Software Engineer Interview Questions and Answers

Q1. Oops concepts in java
Ans. 
OOP concepts in Java include encapsulation, inheritance, polymorphism, and abstraction, forming the foundation of object-oriented programming.
• Encapsulation: Bundling data and methods in a class. Example: class 'Car' with attributes like 'color' and methods like 'drive()'.

• Inheritance: Mechanism to create a new class from an existing class. Example: 'Sedan' class inherits from 'Car' class.

• Polymorphism: Ability to take ma...read more
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Q2. What is extends keyword
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The 'extends' keyword in Java is used for inheritance, allowing a class to inherit properties and methods from another class.
• Used in class declarations to create a subclass.

• Syntax: 'class SubClass extends SuperClass {}'

• Allows code reuse and establishes an 'is-a' relationship.

• Example: 'class Dog extends Animal {}' means Dog is an Animal.

• Can only extend one class (single inheritance) in Java.
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I was inquired about Java programming and SQL queries.

Around 20 ppl participated out of which 7 were shortlisted from each batch.just be cofident

Q1. It's just the technical MCQs and it is not a screening round, it is an on-campus placement.And the package is low 3lpa.
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Q2. Technical mcqs from java
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Q3. MCqs from operating system Software enignerring
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Similar to all company exams have aptitude and some coding questions

Q1. Things that were in your resume were asked.. Easy to medium
Ans. 
Discussed projects and skills listed on my resume, showcasing my technical abilities and problem-solving experience.
• Developed a web application using React and Node.js, improving user engagement by 30%.

• Implemented RESTful APIs for data retrieval, enhancing application performance.

• Collaborated in a team project using Agile methodologies, leading to timely delivery of features.

• Contributed to open-source projects, gaining...read more
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Q1. Personality questions were asked that's it
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Q1. Tell me about yourself.
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Q2. Anything ask about me
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Q1. About my family details
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Q2. About my knowledge and skills
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Q3. About program language
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Q4. Ask me about study details and experience
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Reasoning test , logical reasoning

Q1. Basics of programming,Java, oops concepts
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Q2. What is oops in Java , looping in java
Ans. 
OOPs in Java refers to Object-Oriented Programming concepts like classes, objects, inheritance, polymorphism, and encapsulation. Looping in Java refers to repeating a block of code multiple times using loops like for, while, and do-while.
• OOPs concepts in Java include classes, objects, inheritance, polymorphism, and encapsulation.

• Looping in Java can be achieved using for, while, and do-while loops.

• Example: for(int i=0; ...read more
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Q3. While ,do while syntax
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The while loop executes a block of code as long as the specified condition is true, while the do while loop executes the block of code once before checking the condition.
• While loop syntax: while (condition) { // code block to be executed }

• Do while loop syntax: do { // code block to be executed } while (condition);

• The do while loop will always execute the code block at least once, even if the condition is false.
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