Integra Software Services Trainee Programmer Interview Questions and Answers

100 chooses total in that 50 coding,25 aptitude,25english -round 1

Q1. General hr questions
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Basic aptitude questions

Q1. Core java questions, oops, basic programming questions
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Q2. What are the oops concepts and how we use them?
Ans. 
OOPs concepts are fundamental principles in object-oriented programming that help in organizing and designing code.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class). Example: Class Car with properties like make, model, and methods like start(), stop().

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Class SUV inheriting from Class...read more
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Q3. Difference between array list and linked list
Ans. 
Array list stores elements in contiguous memory locations, while linked list stores elements in nodes with pointers to the next node.
• Array list allows random access to elements based on index, while linked list requires traversal from the beginning to access elements.

• Insertions and deletions are faster in linked list as it only requires updating pointers, while in array list it may require shifting elements.

• Example: Ar...read more
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Q4. Why string is immutable?
Ans. 
String is immutable in order to ensure data integrity and security.
• Immutable strings prevent accidental data modification, ensuring data integrity.

• Immutable strings enhance security by preventing unauthorized access or tampering.

• Immutable strings allow for more efficient memory management and optimization.

• Examples: Java, Python, and C# all have immutable string objects.
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Q5. Java collections
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English, Maths, Reasoning

Q1. Bssic C questions
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Q1. Just formal discussion on the available role
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Have a good basics in aptitude

Basic coding knowledge

Q1. Be confident and try to answer clear and crisp
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Q2. Tell me about yourself
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