Komax Testing Interview Questions and Answers

Java is a popular programming language, C++ is another programming language, and DBMS SQL is a language used for managing databases.

• Java is an object-oriented programming language commonly used for building web applications and software.

• C++ is a high-level programming language often used for system programming and game development.

• DBMS SQL is a language used to interact with relational databases, allowing users to retrieve, update, and manage data.

• Examples: Java - used in And...read more

Python is a high-level programming language known for its simplicity and readability. OOPs (Object-Oriented Programming) is a programming paradigm that uses objects and classes. Inheritance is a feature of OOPs that allows a class to inherit properties and behavior from another class.

• Python is a versatile, interpreted language used for web development, data analysis, artificial intelligence, and more.

• OOPs focuses on creating objects that contain both data and methods to manip...read more

Recursion to memoization DP problem involves optimizing recursive solutions by storing intermediate results.

• Recursion involves solving a problem by breaking it down into smaller subproblems and calling the function recursively.

• Memoization involves storing the results of expensive function calls and reusing them when the same inputs occur again.

• Dynamic Programming (DP) involves solving problems by breaking them down into simpler subproblems and storing the results to avoid red...read more

Test scenario is a high-level description of the functionality to be tested, while test case is a detailed step-by-step procedure to validate the functionality.

• Test scenario is a broad description of what needs to be tested, while test case is a detailed set of steps to verify a specific aspect of the scenario.

• Test scenario is usually written in a more general and abstract way, while test case is more specific and concrete.

• Test scenario helps in understanding the scope of tes...read more

Prefix Sum and left sum of binary tree involves calculating the sum of all nodes in a binary tree and the sum of nodes on the left side of each node.

• Calculate prefix sum of binary tree by traversing in a pre-order manner and keeping track of the running sum.

• To calculate left sum of binary tree, traverse the tree in a pre-order manner and keep track of the sum of nodes on the left side of each node.

• Example: For a binary tree with nodes 1, 2, 3, 4, 5, the prefix sum would be 15...read more