I. Write a class definition for a Rectangle class that contains: · Two int field
ID: 3619698 • Letter: I
Question
I. Write a class definition for a Rectangle class that contains:· Two int fields, length and width.
· Mutator and accessor methods for the length and width fields.
· A Boolean method named isSquare that returns true if the rectangle’s length and width are the same and false otherwise.
II. Write a class definition for a RectangleDriver class that contains a main method that acts as a driver for the Rectangle class of the previous problem. The main method should do this:
· Construct a Rectangle object named rect.
· Use the mutator methods to prompt the user for values to rect’s length and width fields.
· Use the Boolean method to determine if rect is a square.
o If rect is a square, print “Square: ” and then the square’s dimensions. For example:
Square: 4x4
o If rect is not a square, print “Rectangle: ” and then the rectangle’s dimensions. For example:
Rectangle: 6x13
· In printing the above messages, use the accessor methods to retrieve the rectangle’s dimensions.
III. Add a print method to the rectangle class, which prints a rectangle of asterisks corresponding to the dimensions of the rectangle; if the width is greater than 40 or the height is greater than 24 instead of printing the rectangle with asterisks, display the message “too big to print”.
Explanation / Answer
Dear,
I)Rectangle class
public class Rectangle
{
private double length;
private double width;
/**
The setLength method stores a value in the
length field.
@param len The value to store in length.
*/
public void setLength(double len)
{
length = len;
}
/**
The setWidth method stores a value in the
width field.
@param w The value to store in width.
*/
public void setWidth(double w)
{
width = w;
}
/**
The getLength method returns a Rectangle
object's length.
@return The value in the length field.
*/
public double getLength()
{
return length;
}
public class RectangleDriver
{
public static void main(String[] args)
{
// Create a Rectangle object.
Rectangle rect = new Rectangle();
// Call the object's setLength method, passing 10.0
// as an argument.
rect.setLength(16.0);
// Call the object's setWidth method, passing 20.0
// as an argument.
rect.setWidth(4.0);
if(rect.isSquare())
System.out.println("Square:"+ rect.getLength()+"X"+rect.getWidth());
else
System.out.println("Rectangle:"+ rect.getLength()+"X"+rect.getWidth());
//Exit program
System.exit(0);
}//end main
}
Hope this will help you..