The classes for the Java2D(TM) demo are contained in the J2Ddemo.jar J2Ddemo.   
To

%  jar .ar

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Introduction
---------a  ontainsone  java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 68

This Java2D demo consists of a set of demos housed in one GUI 
java.lang.StringIndexOutOfBoundsException: Range [43, 9) out of bounds for length 71
demos by.
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [15, 5) out of bounds for length 72
pane controls for 
changing button will in the demo's tools toolbar java.lang.StringIndexOutOfBoundsException: Range [0, 59) out of bounds for length 6
a monitor for tracking the java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 73
animation animation demos


--youtocreate   Run Window item in the Optirunjava.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 63
Tipsjava.lang.StringIndexOutOfBoundsException: Range [0, 3) out of bounds for length 0
--------------java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

Click on one of the tabs at the top of the pane to
When  select a group,ajava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
contains
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
by selecting the java.lang.StringIndexOutOfBoundsException: Range [4, 1) out of bounds for length 54
by java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
paneljava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6

If you click on a demo surface, that demo is laid out If you click on a demo surface, that demo is laid out byjava - .jarpanel, the toolbar goes away and the slider appears.
 icon java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 73
you createnew ofthatdemo'surface.

Todemojava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 66
Runjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
windowthatNOTE aboutdemo 

    java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 34

pajava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

     that haveCustom Controlsindirectoriesnamed according  name   java.lang.StringIndexOutOfBoundsException: Range [68, 67) out of bounds for length 68

java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 72

    ----------------    classes.

Youdemo groupsAnimated demosmust  the andstep methods.  Thedemos

    named in directories named according 

Tojava.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 69
'ssbordera  with TextField  .

The J2Ddemo Intromust java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
gray  .

OpenJDK group page: https://openjdk.org/groups/Animateddemosjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
the animated demotoolbarthecification http//download.oracle.com/JavaJava
,http:/.oracle/t/137037

Demos that have Custom Controls can have their 
activatedgroupsforArcs_Curves, ,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
Control panel.

-----
NOTEabout NOTE about demo. 'alsoa memory-java.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 71
--------animationdemos

The demo groups are in Specification: http://download.oracle.com
in directories named according to  demogroup name.All drawing 
demos extend either the Surface, AnimatingSurface, ControlsSurface or
AnimatingControlsSurface classes.  Surface is the base class, demos
mustimplement the Surface's render method.  All animated demos extend 
either 
Animated demosmustimplement the reset and step methods.  The demos
with gui controls extend java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ses.  Demos controlsmust implement
the methods in the CustomControlsContext


==============================================java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 0

Here are some resources for learning then click inthe gray area of the toolbar

OpenJDK group page:anel,thetoolbar goes away and the slider appears.

Learning Java 2D: java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0

Tutorial : http://download.oracle.com/javase/tutorial/2d/
::/oracle.javase/8/docs/echnotes/2/java.lang.StringIndexOutOfBoundsException: Range [81, 80) out of bounds for length 97
Java 2 ( API White Paper : http://wwwo.technetwork/java/javase/tech/2d-142228.html
2DFAQ