Java Basics and ApplicationsPaul Schmidt and Alex Krizek

What is JavaJava is a

programming language used to give instructions to the CPU

A compiler is used to translate these instructions input by the user to something the CPU can read and execute

Why is Java so important in technology?

Lots of applications and websites require java to operate

Java is the underlying technology to run programs such as games and business applications

Java can be used by all the major operating systems on desktops

What makes up a program?Some Basic Java Terms:Classes- The fundamental building blocks

of a Java ProgramMethods- A collection of instructions

describing how to carry out a taskVariables- Used to store values to be

accessed laterLoops- A repeating algorithm that

continues until certain conditions are metObjects- A value of a class type with

specific states and behaviors defined by its methods and values

What Can Programs Do?

Programs can perform many tasks, including:Mathematical calculationsRead and execute commands in gamesEncode messagesOrganize and retrieve data

Why should you have experience in Java?Helps users

understand and appreciate what goes into software development

Develops problem solving skills

Shows users why some bugs are unavoidable

Makes users realize why programs are expensive and the amount of work that goes into development

What now?

If Java programming interests you:Many High Schools

and colleges offer basic programming classes

The University of Wisconsin Madison offers CS 302 as an introductory level Java course