Your first program and learning how to print to the console.

How to use the canvas and draw rectangles, ellipse, lines, and triangles.

How to change the color of shapes and lines - or even make them transparent.

How to get input using both polling and events.

How to use variables for animating shapes and changing colors.

How to generate random numbers and change the types of values

How to save your program's output as an image file.

How to draw text, store messages as strings, and change fonts.

How to display images.

How to check if the mouse is over an object and click on objects

Using Arrays and 2D Arrays

Using Objects and Classes

Using Arraylists to dynamically add and remove elements to your program

Using Inheritance, parent/child classes, overriding methods, using super()

Add to "Arrays" Unit before flag project

Write an entry at start of array unit to review loops