Question
How many solid spherical balls of radius 2 cm can be
made by melting a solid hemisphere of radius 4 cm?Solution
ATQ, Let n numbers of spherical balls be made = [n × (4/3)π × 23] = [(2/3)π × 43] n= 4 ∴ 4 Solid spherical balls can be made
What is a key benefit of encapsulation?
Which statement about abstract methods is true?
An abstract class in Java/C++:
How does abstraction contribute to code maintainability?
The concept of showing only essential features of an object and hiding the complex implementation details is called:
An "object" is an instance of a:
What is the primary difference between an abstract class and an interface in Java (pre-Java 8)?
Which of the following best represents a real-world example of abstraction?
What is the primary goal of Abstraction in OOP?
In Python, if you want to call the constructor of a parent class explicitly, which method do you use?
