Inverted Energy 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
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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
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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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Moderate round with multiple choice

Q1. Sql and sql joins
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Q2. Union and union all
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Q3. Cte, temp tables
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Q1. Salary expectations
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Q2. Preferred location
Ans. 
I am open to working in any location, but I prefer a city with a good work-life balance and opportunities for professional growth.
• Open to working in any location

• Prefer a city with good work-life balance

• Opportunities for professional growth are important
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2 questions were asked in coding round, both are medium level

Q1. Asked about projects, one simple coding question to solve in monitor. since, I'm from ece they asked about latest trends in electronics,etc..
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Q2. Role of electronics in automotive industry
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Q3. Chip manufacturing india
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Q4. Problems faced during working for project
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Q5. How you overcome that
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1round was very easy to crack

Q1. Basic question from C language
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Roman numbers converted to natural numbers

English language grammar writing errors correction

Topic was ibm watson and moon lightning