Computers And Technology College

Consider the classes Food, Cheese, and Velveeta where Cheese is a subclass of Food and Velveeta is a subclass of Cheese. State which of the following lines of code are legal.

Cheese c =new Food( );
Velveeta v =new Food( );
Cheese c =new Velveeta( );
Food f =new Velveeta( );
Food f =new Cheese( );

Answers

Answer 1

Answer:

Cheese c =new Velveeta( );

Food f =new Velveeta( );

Food f =new Cheese( );

Explanation:

The super-class is the parent class from which features and attributes are inherited from while the subclass or the child class is the class inheriting from the super or parent class.

In Java, the object instance of a class is created with the syntax;

class_name instance_name = new class_name();

Food is the super or parent class of Cheese (which makes Cheese its subclass) and Cheese is the parent class of Velveeta. The extends keyword is used to denote inheritance.

Related Questions

Which view displays the records in columns and rows like excel worksheet​

Answers

Answer:

Datasheet View

Explanation:

Chapter 1

A B

Database Template A preformatted database designed for a specific purpose.

Datasheet View The Access view that displays data organized in columns and rows similar to an Excel worksheet.

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