Entrance Exams
Govt. Exams
Series follows n(n+1): 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42
Unit testing involves testing individual units or components of code in isolation to ensure they work correctly.
Machine Learning is a subset of AI that enables systems to learn from data and improve performance without explicit programming.
An interface is an abstract type that defines a set of methods that implementing classes must provide.
'==' is loose equality (compares value only), while '===' is strict equality (compares both value and type).
A constructor is a special method called when an object is created to initialize its properties.
OOP is based on organizing code into objects that contain both data (properties) and functions (methods).
Stack (Last In First Out) removes the most recently added element. Queue (First In First Out) removes elements in the order they were added.
Bubble sort has a worst-case time complexity of O(n^2) when the array is in reverse order.
Binary search has a time complexity of O(log n) because it divides the search space in half with each iteration.