1. Getting Started
ARCS Lab.

2. The Java Technology Phenomenon
Talk about Java technology seems to be everywhere, but what exactly is it?
About the Java Technology
What Can Java Technology Do?
How Will Java Technology Change My Life?

3. About the Java Technology
The Java Programming Language
Simple
Object oriented
Distributed
Multithreaded
Dynamic
Architecture neutral
Portable
High performance
Robust
Secure

4. About the Java Technology
An overview of the Software development process
Compiler
Java VM …
MyProgram.java
MyProgram.class
My Program

5. About the Java Technology
Through the Java VM, the same application is capable of running on multiple platforms
Class HelloWorld {
public static void main(string[] arcs) {
System.out.println(“Hello World!”); }
HelloWorld.java
Compiler
JVM
JVM
JVM

6. About the Java Technology
The Java Platform
The Java Virtual Machine
The Java Application Programming Interface (API)
MyProgram.java
API
Java Virtual Machine
Hardware-Based Platform
Java
platform

7. What Can Java Technology Do?
Development Tools
Application Programming Interface (API)
Deployment Technologies
User Interface Toolkits
Integration Libraries

8. How Will Java Change My Life?
Get Started quickly
Write less code
Write better code
Develop programs more quickly
Avoid platform dependencies
Write once, run anywhere
Distribute software more easily

9. The “Hello World!” Application
A Checklist
The Java SE Development Kit (JDK 6)
For MS Windows, Solaris and Linux
For Mac OS X
The Eclipse IDE

10. Creating Your First Application
Create a Java Project

11. Creating Your First Application
In the Name and Location page of the wizard, do the following

12. Creating Your First Application
Create a Class

13. Creating Your First Application
Create a Class

14. Creating Your First Application

15. A Closer Look at the “Hello World!”
Source Code Comments
package test;
public class FirstClass {
/**
args */
public static void main(String[] args)
// TODO Auto-generated method stub
System.out.println(“Hello, Sungkyunkwan University!”); }

16. A Closer Look at the “Hello World!”
The “FirstClass” Class Definition
package test;
public class FirstClass {
/**
args */
public static void main(String[] args)
// TODO Auto-generated method stub
System.out.println(“Hello, Sungkyunkwan University!”); }

17. A Closer Look at the “Hello World!”
The “test” Package Definition
package test;
public class FirstClass {
/**
args */
public static void main(String[] args)
// TODO Auto-generated method stub
System.out.println(“Hello, Sungkyunkwan University!”); }

18. A Closer Look at the “Hello World!”
The “main” Method Definition
package test;
public class FirstClass {
/**
args */
public static void main(String[] args)
// TODO Auto-generated method stub
System.out.println(“Hello, Sungkyunkwan University!”); }

19. Q & A