1. GWT - Java AJAX
Google Web Toolkit

2. blog: http://chemhack.com
: javascript jsMolEditor
http://luguo.de
Twitter @chemhack

3. GWT /
GWT Java AJAX
GWT != Java Applet
GWT Java->JavaScript
GWT JavaScript Java

4. JavaScript

11. if(window.ActiveXObject){
xmlhttp = new ActiveObject("Microsoft.XMLHTTP");
}
else if(window.XMLHTTPRequest){
xmlhttp = new XMLHTTPRequest();
}

12. JavaScript

13. JavaScript

14. Java

15. JavaScript
IDE

17. JavaScript

18. AJAX

22. IDE

23. IDE

24. IDE

25. IDE

26. GWT
Google Web Toolkit

27. Java JavaScript

28. Java JavaScript

29. Java?

30. Java
IDE
Eclipse JUnit You
NetBeans Spring Everyone
... ... ... ... ... ...

31. IDE

32. Java Doc /

33. ANT

34. JUnit

35. GWT
JavaScript
js
java
ImageBundle

36. Hello World

37. Show Time

38. GWT Ext

39. GWT Ext - YUI Chart

40. 2D gwt-canvas

41. GWT
• Widgets
• Events
• DOM ( )
• History
• XML JSON GWT-RPC
... ...

42. Widgets

43. Swing like

44. DOM

45. jQuery / GWTQuey
import gwtquery.client.GwtQuery;
import static gwtquery.client.GwtQuery.$;
public class GwtQueryModule implements EntryPoint {
public void onModuleLoad() {
$(“ul.menu > li:first-child”).html(“hello”);
}
}

46. History

47. GWT with App Engine

49. Q&A