Java Code high-lighting, things like code layout, use of variable names, general readability and understandability.
The attached code files creates a java swing application which shows different shapes according to the choice selected by the user from a combo box.
In general it is a good software programming practice to follow variable naming conventions. For example, include abbreviated form of variable type as prefix. intArray gives a lot more information than Array. It is also a good documenting habit to include ...