Cogitate Technology Solutions Software Developer Interview Questions and Answers

Pen Paper test aptitude test with 2 long answer questions

Q1. OOP Concepts- Polymorphism , what are its types
Ans. 
Polymorphism is the ability of a single function or method to operate on different types of data.
• Types of polymorphism: compile-time (method overloading) and runtime (method overriding)

• Compile-time polymorphism is achieved through function overloading, where multiple functions have the same name but different parameters

• Runtime polymorphism is achieved through function overriding, where a subclass provides a specific im...read more
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Q2. Coding question to find the first occurring letter in a string
Ans. 
Find the first occurring letter in a string
• Iterate through the string and store the count of each letter in a hashmap

• Return the first letter with count 1
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