Yethi Consulting Software Developer Trainee Interview Questions and Answers

DSA, factorial based question and stack based question

Q1. What is an operator in programming?
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Q2. What is an array?
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A question regarding patterns that involves dynamic pattern problems.

Q1. Resume skill mentioned related questions
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Q2. Hr round will be related to your previous experiences, why you left the other companies, about yourself.
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Basic array and string based questions.

Q1. Basics of OOPS and resume.
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Q2. Reverse a string without using new variable
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Reverse a string without using new variable
• Use two pointers, one at the beginning and one at the end of the string

• Swap the characters at the two pointers and move the pointers towards each other until they meet in the middle
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Aptitude test was easy level and moderate level.

Coding test was held in the google form which was very easy.

Q1. What is volatile keyword?
Ans. 
The volatile keyword in software engineering is used to indicate that a variable's value can be modified by multiple threads.
• Volatile keyword ensures that the variable's value is always read from and written to the main memory, rather than cached in a thread's local cache.

• It is used to prevent unexpected behavior in multi-threaded environments where multiple threads may access and modify the same variable simultaneousl...read more
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Q2. What is abstract class
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An abstract class is a class that cannot be instantiated and is meant to be subclassed.
• An abstract class can have abstract methods that must be implemented by its subclasses.

• An abstract class can also have non-abstract methods that can be inherited by its subclasses.

• An abstract class provides a common interface for its subclasses.

• An abstract class can have instance variables and constructors.

• An abstract class cannot be...read more
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Q3. Where do you use abstract class
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Abstract classes are used to provide a common interface and partial implementation for related classes.
• Abstract classes are used when you want to create a base class that cannot be instantiated on its own but can be inherited by other classes.

• They are useful when you want to define common methods and properties that multiple related classes should have.

• Abstract classes can have both abstract and non-abstract methods.

• Ab...read more
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Not so much difficult. english comprehension matters for this test.

Q1. Departmental question asked.
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Q2. What is C++ and what are the basics
Ans. 
C++ is a high-level programming language used for developing system software, application software, and video games.
• C++ is an extension of the C programming language

• It supports object-oriented programming concepts like classes, inheritance, polymorphism, etc.

• It is a compiled language and provides low-level memory manipulation features

• C++ is widely used in developing operating systems, device drivers, game engines, and ...read more
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