CS51 - Fall 2009 - Lecture 1

  • Introduction
  • Why this course?
  • What is computer science?

  • Algorithms
  • Giving an unambiguous set of instructions to a computer that is sufficiently precise to accomplish some set task.
  • Computers, unlike humans, follow instructions exactly and will do so time after time after time.
  • We will be solving problems and then implementing the solutions in Java.

  • Administrivia
  • <pdf>

  • Introduction to java
  • Programs are compiled and can then be run on any machine that has an appropriate java virtual machine installed
  • MakeBox
  • class, method, instructions
  • begin method
  • onMousePress method

  • Java basics
  • graphics primitives
  • FilledRect
  • FramedRect
  • FilledOval
  • FramedOval
  • Line
  • Text
  • constructors
  • screen coordinates
  • mouse event handling
  • onMousePress(Location p)
  • onMouseRelease(Location p)
  • onMouseClick(Location p)
  • onMouseMove(Location p)
  • onMouseDrag(Location p)
  • onMouseEnter(Location p)
  • onMouseExit(Location p)