Getting Started

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 Java VM 0100101… My Program MyProgram.class MyProgram.java Compiler

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 platform Java Virtual Machine Hardware-Based 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 Linuxhttp://www.oracle.com/technetwork/java/javase/downloads • For Mac OS Xhttp://developer.apple.com • The Eclipse IDEhttp://www.eclipse.org/downloads/

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 { /** * @param 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 { /** * @param 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 { /** * @param 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 { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub System.out.println(“Hello, Sungkyunkwan University!”); } }

19. Q & A