Chapter 6, Problem 18PP

Program Plan Intro

Checkerboard

Program plan:

Board.java

• Import required packages.
• Define the method “Board()”.
• Definition of method “draw”.
  • Declare and assign the required variables.
  • Set the color.
  • Loop till “c” is reaches the length of the array.
    • Loop till “i” is reaches “4”.
      • Loop till “j” is reaches “4”.
        • Call the method “fillRect()”.
      • Evaluate the value of “xVal”.
    • Loop till “j” is reaches “4”.
      • Call the method “fillRect()”.
    • Evaluate the value of “yVal”.
• Definition of “main()” method
  • Create an object for frame.
  • Set the size of the frame.
  • Close the frame.
  • Create an object for component.
  • Definition of method “paintComponent()”.
    • Call the method “draw()”.
  • Add the component to the frame.
  • Set the visibility of frame.