a constructor that takes X, Y, width, and height as arguments;
: 2. a constructor that takes only width and height as arguments;
: 3. a default constructor;
: 4. a method setCenter that takes X and Y as arguments;
: 5. a method setWidth that takes a width value;
: 6. a method setHeight that takes a height value;
: 7. a method getX that returns the X coordinate;
: 8. a method getY that returns the Y coordinate;
: 9. a method getWidth that returns the width value;
: 10. a method getHeight that returns the height value;
: 11. a method getArea calculates the area of the rectangle and
: returns it;
: 12. a method getPerimeter it calculates the perimeter of the
: rectangle and returns it;
: 13. a method toString that creates a String that includes the X, Y
: center coordinates, width, and height, and returns the string. This
: method does not use System.out.println() itself. It returns a String
: value to the caller.
: Write an application (RectangleTest.java) to test your Rectangle
: Your Application should test all the constructors and methods."
: "Write a program to read a list of exam scores (integers in the
: range 0 to 100) and to output the total number of grades and the
: number of grades in each letter-grade category (90 to 100 = A, 80 to
: 89 = B, 70 to 79 = C, 60 to 69 = D, and 0 to 59 = F). The end of the
: input is indicated by a negative score as a sentinel value. (The
: negative value is used only to end the loop, so do not use it in the
: calculations.) For example, if the input is
: The output would be
: Total number of grades=14
: Number of A’s=1
: Number of B’s=4
: Number of C’s=6
: Number of D’s=2
: Number of F’s=1"
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