Question
I need it in Java DrJava please. **Objective: Write two classes: One class draws a square, and an exception that occurs when the user puts
I need it in Java DrJava please.
**Objective:
Write two classes: One class draws a square, and an exception that occurs when the user puts in an invalid dimension.
- Put the driver in your project
- DO NOT ALTER THE DRIVER!
- Write a class file called DimensionException that inherits from Exception
- Create the following constructors
- Default calls the parents constructor and pass a message that it is an invalid dimension
- A constructor that takes one string parameters that is passed to the parents constructor
- Write a class file called Square that DOES NOT HAVE a main method
- An attribute of this class is
- Length corresponding to the length of each side
- Create the following constructors
- Default creates a 1x1 square (or a single star)
- One that has a integer parameter that corresponds to its length and width
- Accessors and Mutators for each variable
- MAKE SURE THE MUTATORS CHECK FOR VALID VALUES!
- If the dimension is set improperly throw the DimensionException
- Create the following Methods
- draw this method will draw a square of asterisks (*) by the given dimensions.
- getArea returns the area of the square
- getPerimeter returns the perimeter of the square
**The driver code is:
import java.util.*;
public class SquareDriver {
public static void main(String[] args)
{
Scanner keyboard = new Scanner(System.in);
String input ="";
System.out.println("Welcome to the easy square program");
while(true)
{
System.out.println("Enter the length of the side of a square or enter QUIT to quit");
try
{
input = keyboard.nextLine();
if(input.equalsIgnoreCase("quit"))
break;
int length = Integer.parseInt(input);
Square s = new Square();
s.setLength(length);
s.draw();
System.out.println("The area is "+s.getArea());
System.out.println("The perimeter is "+s.getPerimeter());
}
catch(DimensionException e)
{
System.out.println(e.getMessage());
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
}
}
}
**Example Dialog:
Welcome to the easy square program
Enter the length of the side of a square or enter QUIT to quit
5
*****
*****
*****
*****
*****
The area is 25
The perimeter is 20
Enter the length of the side of a square or enter QUIT to quit
0
Dimensions must be of length one at least
Enter the length of the side of a square or enter QUIT to quit
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