#1
What is the main purpose of a function in programming?
To execute a specific task or set of tasks
ExplanationFunctions perform defined tasks in code.
#2
In programming, what does the acronym 'DRY' stand for?
Don't Repeat Yourself
Explanation'DRY' promotes code reusability by avoiding redundancy.
#3
What is recursion in programming?
A function calling itself
ExplanationRecursion involves a function repeatedly calling itself.
#4
What is the difference between 'function declaration' and 'function expression' in JavaScript?
Function declaration is hoisted, while function expression is not
ExplanationFunction declarations are processed before execution, while expressions are not.
#5
What is the purpose of the 'super' keyword in object-oriented programming?
To call the constructor of the parent class
Explanation'super' invokes the parent class constructor from a subclass.
#6
What is polymorphism in object-oriented programming?
The ability of a class to have multiple methods with the same name but different implementations
ExplanationPolymorphism enables different classes to be treated uniformly.
#7
What is a lambda function in programming?
An anonymous function
ExplanationLambda functions are unnamed and used for short tasks.
#8
What is the purpose of the 'yield' keyword in Python?
To pause the execution of a generator function
Explanation'yield' temporarily suspends execution and produces a value.
#9
What is method overloading in Java?
Creating multiple methods with the same name but different parameters in a class
ExplanationMethod overloading allows methods to have the same name but different parameters.
#10
In Python, what is the purpose of the 'with' statement?
To simplify exception handling using context managers
Explanation'with' provides a cleaner syntax for resource management.
#11
What is a closure in programming?
A function that has access to variables from its outer scope
ExplanationClosures retain access to their defining environment's variables.