LTIMindtree Graduate Trainee Interview Questions and Answers for Freshers

Basic core computer concepts and technology related questions

Q1. Oops, arraylists
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Q2. Tell me about abstraction and interfaces
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Abstraction is the concept of hiding complex implementation details and showing only the necessary features. Interfaces define a contract for classes to implement.
• Abstraction allows us to focus on what an object does rather than how it does it

• Interfaces define a set of methods that a class must implement, without specifying how they are implemented

• Abstraction and interfaces help in achieving loose coupling and flexibil...read more
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Q3. Array lists vs arrays
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Array lists are dynamic in size, while arrays have fixed sizes.
• Array lists can grow or shrink in size dynamically, while arrays have a fixed size.

• Array lists are implemented using dynamic arrays, while arrays are static data structures.

• Array lists provide methods for adding, removing, and accessing elements easily, while arrays require manual resizing and shifting of elements.

• Example: ArrayList<String> vs String[...read more
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Q4. Pattern printibg questionto print a triangle
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This question involves printing a triangle pattern using loops in programming.
• Use nested loops: Outer loop for rows, inner loop for columns.

• For a right-angled triangle, print '*' for each column in the row.

• Example for 5 rows: 1st row: * 2nd row: ** 3rd row: *** 4th row: **** 5th row: *****

• Adjust spaces for different triangle types (e.g., centered triangle).
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Q1. Flexible with moving
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I am open to relocating for the right opportunity.
• I am willing to move to different locations for career growth

• I understand the importance of being flexible with relocation for job opportunities

• I have experience moving for previous job opportunities, such as relocating for internships or projects
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It involves the question of SQL, programming.

Q1. Why OOPs is used
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OOP is used for organizing code into reusable objects, promoting code reusability, modularity, and easier maintenance.
• Encapsulation: Data and methods are bundled together in objects, promoting data security and code organization.

• Inheritance: Allows for the creation of new classes based on existing ones, promoting code reuse and reducing redundancy.

• Polymorphism: Objects can be treated as instances of their parent class,...read more
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Q2. What is multiple inheritance
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Multiple inheritance is a feature in object-oriented programming where a class can inherit attributes and methods from more than one parent class.
• Allows a class to inherit attributes and methods from multiple parent classes

• Can lead to the diamond problem where ambiguity arises if two parent classes have a method with the same name

• Languages like C++ support multiple inheritance
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Q3. What is mentioned bypolymorphism
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Polymorphism is the ability of a single function or method to operate on different types of data.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• There are two types of polymorphism: compile-time (method overloading) and runtime (method overriding).

• Example: Inheritance in object-oriented programming languages like Java allows for polymorphism.

• Example: A method 'draw()' ca...read more
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Q1. What is pointer to pointer
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A pointer to a pointer is a variable that stores the address of another pointer, allowing for multi-level indirection.
• 1. Definition: A pointer to a pointer (e.g., int **ptr) holds the address of another pointer (e.g., int *p).

• 2. Usage: Useful in dynamic memory allocation and when passing pointers to functions.

• 3. Example: int x = 10; int *p = &x; int **ptr = &p; // ptr points to p, which points to x.

• 4. Memory: I...read more
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Q1. Tell about yourself?
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I am a motivated graduate with a passion for learning and a strong foundation in my field, eager to contribute and grow in a dynamic environment.
• Educational Background: Graduated with a degree in Business Administration, focusing on marketing strategies.

• Internship Experience: Completed a summer internship at XYZ Corp, where I assisted in developing a social media campaign that increased engagement by 30%.

• Skills: Profic...read more
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Q2. Willing to shift your location?
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I am open to relocating for the right opportunity, as it can enhance my career and personal growth.
• Relocation can provide exposure to new cultures and experiences, enriching my personal life.

• I believe that working in different locations can broaden my professional network.

• For example, moving to a city with a strong industry presence can lead to better career opportunities.

• I am adaptable and willing to embrace change, w...read more
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Q1. They asked me to write a code for prime number and after writing he asked several test cases.
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A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers.
• A prime number has exactly two distinct positive divisors: 1 and itself. Example: 2, 3, 5, 7.

• The number 1 is not prime because it has only one divisor.

• The first few prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.

• Even numbers greater than 2 are not prime since they are divisible by 2. Example: 4, 6, ...read more
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Q1. Scenario based questions
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