IG Infotech India Software Developer Interview Questions and Answers for Experienced

Q1. SDLC process and how it is implemented in project
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Q2. About projects, it's Objective, the role I have worked, output
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Q3. Data structure, DBMS concepts
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Q1. Opps Concept , in depth Related to java Collections and Some puzzle problems
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Q2. Explain and Write a Code of Compile and Run time polymorphism
Ans. 
Compile-time polymorphism is achieved through function overloading, while run-time polymorphism is achieved through virtual functions.
• Compile-time polymorphism is achieved through function overloading, where multiple functions have the same name but different parameters.

• Run-time polymorphism is achieved through virtual functions and inheritance, where the function to be called is determined at runtime based on the obje...read more
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Q3. Some tricky questions about oops and inheritance
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Reasoning and aptitude questions are given

Q1. Tell all concepts of Overloading
Ans. 
Overloading is a concept in programming where multiple functions can have the same name but different parameters.
• Functions with the same name but different parameters can be defined in a class

• Overloading allows for flexibility in function usage

• Example: void print(int num) and void print(string text) are overloaded functions
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Q2. Tell me about a live example of inheritance
Ans. 
Inheritance in software development allows a class to inherit properties and behaviors from another class.
• Inheritance allows a subclass to reuse code from a superclass

• Subclass can also add new functionalities or override existing ones

• Example: Animal class can be a superclass with properties like name and age, while Dog class can inherit from Animal and add a method bark()
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Q1. Tell about the your self
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2 DSA question was asked

40 questions in 20 minutes

Q1. Stones games 2 leetcode
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Q2. Permutations of array
Ans. 
Generate all possible permutations of an array of strings
• Use recursion to generate permutations

• Swap elements to create different permutations

• Base case: when array size is 1, return array as permutation
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Q1. Project discussion
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Q1. General resume discussions
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Q2. HR questiosn aslso
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Q1. Closures, hostings, react js, redux, hooks basic
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Q2. Html5, css3, basic javascript stuff
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60mintues DSA level coding exam