Tech Mahindra Senior Business Analyst and Consultant Interview Questions and Answers

Reversing a string involves rearranging its characters in the opposite order, which can be done using various methods.

• Use built-in functions: In Python, you can reverse a string with slicing: `reversed_string = original_string[::-1]`.

• Iterative approach: Loop through the string from the end to the beginning and build a new string.

• Using recursion: Define a function that calls itself with a smaller substring until it reac...read more

Questions related to Java programming language concepts and features.

• StringBuilder and StringBuffer are used for efficient string manipulation.

• Arrays are fixed in size while linked lists can grow dynamically.

• TreeSet is a sorted set implementation in Java.

• Java 8 introduced lambda expressions, streams, and functional interfaces.

• Static keyword is used to create class-level variables and methods.

• Dynamic method dispatch is ...read more