[Solved] Consider this Java OOP code:class Car { int speed = 0; void accelerate() { speed += 10; } } Car myCar = new Car(); myCar.accelerate(); System.out.println(myCar.speed);What is the output? | Java

Java - Object-Oriented Programming Concepts

Consider this Java OOP code:

class Car {
  int speed = 0;
  void accelerate() { speed += 10; }
}
Car myCar = new Car();
myCar.accelerate();
System.out.println(myCar.speed);

What is the output?

A0

B10

CCompilation error

Dnull

Step-by-Step Solution

Solution:

Step 1: Understand initial speed and method effect
speed starts at 0, accelerate adds 10.
Step 2: After calling accelerate, speed is 10
Print statement outputs 10.
Final Answer:
10 -> Option B
Quick Check:
Method changes attribute value = A [OK]

Quick Trick: Method changes object state; print updated value [OK]

Common Mistakes:

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