Sammaan Capital Limited System Software Engineer Interview Questions and Answers

Discussion on Oops and asked to implement linked list and then asked to modify it to fit for a binary tree.

One qsts related to algos was asked too which I don't remember

Q1. Formal introduction of ourselves . Followed by few qsts on family and why IIFL
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Q1. 1)Project related,
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Q2. What is the 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: Inheritance in object-oriented programming languages like Java allows for polymorphism.
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Q3. What is RestController?
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RestController is a class in Spring framework used to handle HTTP requests and return responses as JSON or XML.
• Handles HTTP requests in Spring framework

• Returns responses as JSON or XML

• Annotate a class with @RestController to define it as a RestController

• Example: @RestController public class UserController {}
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Find the number of occurrences of each element in the given ArrayList

Q1. Discussion with hr like reason to switch.
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Q1. Tell me something about yourself
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Q2. Tell about the recent project that you have worked upon
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Q1. What are your salary expectations?
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Q2. Why are you looking fir change
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Q1. Question on c, like storage classes
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Q2. Can communication protocol, UDS protocol.
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Q3. C coding on pointers.
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Pen paper test with 5 mcq and 3 coding questions mostly on array sorting etc

Q1. Write a code for concatenation of two arrays without using Math function
Ans. 
Concatenate two arrays without using Math function
• Create a new array with the combined length of the two input arrays

• Iterate through the first array and copy elements to the new array

• Continue iterating through the second array and copy elements to the new array
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Give all the lists of numbers by adding which we can achieve the target

Q1. Basic questions on resume and Behavioural questions
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Q1. Salary discussion and background check
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Basic question of easy-medium difficulty

Q1. Simple problems on Data structure and algorithm.
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Coding test with questions on aptitude and coding problem solving with 15 test cases

Q1. Rotation of array
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Rotate an array of strings by a specified number of positions.
• Create a new array and copy elements from original array based on rotation index.

• Use modulo operator to handle cases where rotation index exceeds array length.

• Handle edge cases like empty array or negative rotation index.

• Example: Original array ['a', 'b', 'c', 'd', 'e'] rotated by 2 positions becomes ['c', 'd', 'e', 'a', 'b'].
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Q2. Sql query for 2
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SQL query to retrieve data from 2 tables using a join condition.
• Use JOIN keyword to combine data from 2 tables based on a related column

• Specify the columns you want to retrieve using SELECT statement

• Add the table names and join condition in the FROM clause
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