Chapter 10, Problem 2PE

Program Plan Intro

Build GUI using Button class

Program Plan:

• Import the required packages.
• Declare a main function. Inside the main function,
  • Create the application window.
  • Create a button for Random Walk and Quit.
  • Call the method “activate()”.
  • Call the method “deactivate()”
  • Call the method “getMouse()” and store the value in variable “pt”.
  • Set the point using the method “Point()”.
  • Check whether the quit button is not clicked.
    • Call the method “deactivate()”.
    • Pass the parameters to the method “randWalk()”.
    • Call the method “activate()”, “deactivate()” and “getMouse()”.
    • Check the condition and call the method “getMouse()” and store the value in the variable “pt”.
    • Set the points using the method “Point()”.
    • Close the window.
  • Definition of method “randWalk()”.
    • Assign “point” to “loc2”.
    • Traverse the for loop until “i” reaches range “100”.
    • Get the position of “x” and “y”.
    • Call the method “Line()” by passing two parameter.
    • Call the method draw.
    • Assign “loc2” to “loc1”.
  • Definition of method “simOneStep()”.
  • Call the method random to determine he angle.
  • Determine the value of “x” and “y”.
  • Return the value of the point.
• Call the main function.