Entrance Exams
Govt. Exams
NullPointerException occurs when trying to call methods or access properties on a null object reference, which has no actual instance allocated in memory.
GET is the HTTP method for safe, idempotent data retrieval without modifying server state. POST creates resources, PUT updates, and DELETE removes resources.
INNER JOIN returns only rows where there is a match in both tables based on the specified join condition, excluding non-matching rows.
A base case (or termination condition) is essential in recursion to stop the function from calling itself indefinitely, preventing stack overflow errors.
The technical round evaluates candidates' programming proficiency, understanding of data structures, algorithms, and their ability to solve complex problems under time constraints.
TCS (Tata Consultancy Services) is a global IT services and consulting company with diverse business segments including IT services, consulting, and enterprise solutions.
TCS employs over 600,000 people globally, making it one of the largest IT service providers.
A base case is the termination condition that stops recursive calls from continuing indefinitely.
The 'git merge' command integrates changes from one branch into another.
O(2^n) represents exponential time complexity, which becomes impractical for large input sizes (n > 40).