HCL Group Associate Engineer Interview Questions and Answers

There was two coding and mcq's

Q1. Reverse array without using extra space
Ans. 
Reverse array in place without using extra space
• Use two pointers, one at the beginning and one at the end, swap elements until they meet in the middle

• For example, if the array is ['apple', 'banana', 'cherry'], after reversing it will be ['cherry', 'banana', 'apple']
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Q2. Binary tree left reversal
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It was a intermediate level test

It was quite hard and it makes you apply logic

Q1. Basic oops question and basic programming questions are asked.
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Q2. Explain types of datatypes
Ans. 
Datatypes are classifications of data items that determine the kind of operations that can be performed on them.
• Primitive datatypes: int, float, char, boolean

• Derived datatypes: array, pointer, structure, union

• Abstract datatypes: stack, queue, tree, graph
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Q3. Explain your project
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Q4. Explain Polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• 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: Animal class with methods eat() and sleep(). Dog and Cat classes can inherit from Animal and override...read more
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Q5. Explain Runtime Polymorphism
Ans. 
Runtime polymorphism is the ability of a function to behave differently based on the object it is called with.
• Runtime polymorphism is achieved through method overriding in object-oriented programming.

• It allows a subclass to provide a specific implementation of a method that is already provided by its superclass.

• The actual method that gets called is determined at runtime based on the type of object.

• Example: Animal class...read more
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Q1. Why do you want to join Genpact?
Ans. 
I want to join Genpact because of its reputation for innovation, growth opportunities, and strong company culture.
• Genpact is known for its innovative solutions in the field of technology and business process management.

• I am excited about the growth opportunities that Genpact offers, allowing me to develop my skills and advance in my career.

• I have heard great things about the company culture at Genpact, including its fo...read more
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1round was very easy to crack

Q1. Basic question from C language
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First round was aptitude round containing normal maths and few reasoning

Q1. Normal questions from java and OOPs
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Roman numbers converted to natural numbers

English language grammar writing errors correction

Topic was ibm watson and moon lightning

Q1. About previous working
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Q1. Tell about previous work
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