• RectangleTest class: o Perform the following actions in the main method: • Create an object named r1 of the Rectangle class using the default constructor. • Using the set methods, initialize rl to have width 3.0 and length 5.2. • Use the printDimensions method to output all the data (width & length) related to r1. • Create another object named r2 of the Rectangle class with width 2.6 and length 5.4 using the overloaded constructor. • Print out r2 (width & length) using the get methods. • Print out the area and the perimeter of r1 using the calculateArea and calculatePerimeter methods. • Print out the area and the perimeter of r2 using the calculateArea and calculatePerimeter methods.

• RectangleTest class: o Perform the following actions in the main method: • Create an object named r1 of the Rectangle class using the default constructor. • Using the set methods, initialize rl to have width 3.0 and length 5.2. • Use the printDimensions method to output all the data (width & length) related to r1. • Create another object named r2 of the Rectangle class with width 2.6 and length 5.4 using the overloaded constructor. • Print out r2 (width & length) using the get methods. • Print out the area and the perimeter of r1 using the calculateArea and calculatePerimeter methods. • Print out the area and the perimeter of r2 using the calculateArea and calculatePerimeter methods.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

User Defined DataType

The data type is a format to store data that contains a particular range or type of value. It specifies which type of value a variable should have. In other words, a data type describes the type of data that variables can store. When a program stores data in the variables, then every variable needs to be assigned value that falls within the range of its data type. The following are some of the data types:

Question

• RectangleTest class:
o Perform the following actions in the main method:
• Create an object named r1 of the Rectangle class
using the default constructor.
• Using the set methods, initialize rl to have width 3.0
and length 5.2.
• Use the printDimensions method to output all the
data (width & length) related to r1.
• Create another object named r2 of the Rectangle class
with width 2.6 and length 5.4 using the overloaded
constructor.
• Print out r2 (width & length) using the get methods.
• Print out the area and the perimeter of r1 using the
calculateArea and calculatePerimeter methods.
• Print out the area and the perimeter of r2 using the
calculateArea and calculatePerimeter methods.

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