Guides

From Progzoo

Contents 1 Top tips 2 String 3 Graphics 4 Tests 5 Basics 6 Data Types 7 Control structures 8 Input and output 9 Graphics 10 Graphic User Interface 11 Programming techniques

Top tips

String

Graphics

Tests

Read From a Database; Read XML; Define a Class

Basics

• Hello World Variables Methods
• Count Ones: Counting Ones in a string

Data Types

Creating variables of different types. Converting between variable types. Using 3rd party libraries. Creating your own data types. Arrays, hash tables and dates.

• HashMap is a collection - you can reference a value using a key. The keys are often strings.
• ArrayList is like a normal array but it can grow and shrink.

Control structures

while, for, foreach, if, return, break and other constructs

Input and output

options for reading and writing data to files and to databases network access.

Graphics

• Drawing Rectangles
• Drawing Lines:
• Drawing Text; Use a Font
• Smoothing:
• Polygons:

Graphic User Interface

Buttons, text boxes that users can see and control.

Programming techniques

Using an accumulator, recursion, function composition.