Why is the Account class not cohesive?

It combines unrelated functionalities- balance management and email sending

Will the following code compile and run successfully?

No, there will be a compile-time error.

Which of the following is true about the cohesion of the Calculator class?

Low cohesion because it has mathematical operations and unrelated text.

Which statement best describes the protected access modifier across different packages?

Accessible by subclasses in any package and same-package classes.

What will happen when you compile and run this program?

Compile-time error due to class A not having a show() method.

What will be the result when attempting to compile and run this code?

Compile-time error because ClassA is not accessible in ClassB.

What will be the result when compiling and running the code?

Compilation error at both Line 1 and Line 2

Which of the following best defines high cohesion in the context of software design?

A class focuses on a single task or closely related tasks.

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Questions 10

Answers

1
What will happen when the following code is executed?
Compilation error because name is not accessible in the Dog class
Runtime error because the name variable is not initialized
Compilation error due to package import issues
Output: "Unknown Animal"
2
Why is the Account class not cohesive?
It doesn't manage email sending correctly.
It violates encapsulation principles.
It combines unrelated functionalities- balance management and email sending
It has too many public methods.
3
What will be the output when the Garage class is executed?
CarCarCar
Generic VehicleGeneric VehicleCar
Generic Vehicle Car Generic Vehicle
Generic VehicleCarCar
4
Will the following code compile and run successfully?
No, there will be a run-time error.
No, there will be a compile-time error.
Yes, it will print "Hello from Parent".
Yes, it will print “Hello from Child”.
5
Which of the following is true about the cohesion of the Calculator class?
The class has low cohesion because it performs basic arithmetic operations.
High cohesion because it has multiple methods for interacting with the user
Low cohesion because it has mathematical operations and unrelated text.
The class has high cohesion because it handles related responsibilities.
6
Which statement best describes the protected access modifier across different packages?
Accessible by any class in any package if it's in a subclass.
Only accessible within the same package, even for subclasses.
Accessible by subclasses in other packages using subclass instances.
Accessible by subclasses in any package and same-package classes.
7
What will happen when you compile and run this program?
It will print "Class A".
It will print nothing.
Compile-time error due to class A not having a show() method.
Runtime error due to private access of display() method in class A.
8
What will be the result when attempting to compile and run this code?
"Hello from ClassA"
Runtime error because ClassA is in a different package.
Compile-time error because the method showMessage() is private.
Compile-time error because ClassA is not accessible in ClassB.
9
What will be the result when compiling and running the code?
Compilation error at Line 1 due to package-level access of model
Compilation error at both Line 1 and Line 2
Compilation error at Line 2 due to protected access of speed
Output: "Sedan" and "120"
10
Which of the following best defines high cohesion in the context of software design?
A class has loosely related responsibilities for flexibility.
A class interacts with many other classes for reusability.
A class handles multiple distinct responsibilities.
A class focuses on a single task or closely related tasks.

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