hg/stx-libjava: docs/online/english/programming/java-getting-started.html@df11bb428463 (annotated)

2353 fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	1	<HTML>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	2
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	3	<HEAD>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	4	<TITLE>Smalltalk/X Programmers guide - Java Support - Getting Started</Title>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	5	</HEAD>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	6
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	7	<BODY>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	8
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	9	<A NOPRINT HREF="java-installation.html"> <IMG SRC="../../icons/DocsLeftArrow.gif" ALT="[prev]"></A>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	10	<A NOPRINT HREF="java.html"> <IMG SRC="../../icons/DocsUpArrow.gif" ALT="[up]"></A>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	11	<A NOPRINT HREF="java-tools.html"> <IMG SRC="../../icons/DocsRightArrow.gif" ALT="[next]"></A>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	12
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	13	<H1>Java Support - Getting Started</H1>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	14
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	15	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	16	This document describes step-by-step how to start using STX:LIBJAVA. You need a
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	17	running Smalltalk/X environment installed on your machine. For download and
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	18	installation notes refer to Section <a href="java-installation.html">Installation
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	19	& Configuration</a>.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	20	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	21
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	22
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	23	<h2>Hello World! Example</h2>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	24
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	25	<h3>Preparing Java classe</h3>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	26
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	27	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	28	In this short example, we will show how to initialize Java support, how load a Java class into Smalltalk/X environment and how to call
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	29	methods on this class.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	30	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	31
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	32	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	33	First, let's create a simple <a href="https://swing.fit.cvut.cz/projects/stx-libjava/browser/branches/jk_new_structure/src/examples/java/src/stx/libjava/examples/HelloWorld.java?format=txt"><code>HelloWorld.java</code></a>:
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	34	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	35
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	36	<pre class="code java">
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	37	package stx.libjava.examples;
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	38
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	39	public class HelloWorld {
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	40	public void sayHello(String name) {
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	41	System.out.println("Hello " + name);
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	42	}
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	43
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	44	public static void main(String[] args) {
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	45	new HelloWorld().sayHello(args[0]);
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	46	}
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	47	}
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	48	</pre>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	49
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	50	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	51	Compile it using standard <code>javac</code>:
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	52	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	53
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	54	<pre>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	55	javac HelloWorld.java
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	56	</pre>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	57
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	58	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	59	Let's assume that resulting <code>HelloWorld.class</code> is in directory <code>~/libjava-example-1/stx/libjava/examples<code>.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	60	Therefore, the classpath one would use to run it under standard JVM would be <code>~/libjava-example-1<code>.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	61	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	62
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	63	<h3>Initializing Java support</h3>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	64
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	65	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	66	In order to run Java code within Smalltalk/X, Java support must be properly
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	67	initialized. This includes initialization of STX:LIBJAVA's runtime support
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	68	stuctures as well as initialization of some essential Java objects such as
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	69	<code>java.lang.Object</code>, <code>java.lang.System</code>, standard I/O
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	70	streams, system properties etc. Standard JVM does this too before dispatching
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	71	to any user code.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	72	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	73
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	74	<p>To initialize STX:LIBJAVA and required Java classes, evaluate following code
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	75	in <a href="../tools/misc/TOP.html#WORKSPACE">Workspace</a>:
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	76	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	77
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	78	<pre class="code smalltalk">
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	79	Java initialize.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	80	JavaVM initializeVM.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	81	</pre>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	82
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	83	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	84	At this point, Java runtime is initialized and ready to run user code
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	85	<a href="#reinit">(*)</a>. If you
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	86	look at terminal output Smalltalk/X VM, you may see number of info messages
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	87	as STX:LIBJAVA loads and initializes Java classes. If the initialization does
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	88	not proceed, check its configuration (see Section
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	89	<a href="java-installation.html#config">Configuration</a>), especially
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	90	if the Java release and JAVA_HOME are properly set.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	91	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	92
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	93	<h3>Loading and running <i>HelloWorld</i></h3>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	94
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	95	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	96	As with standard JVM, STX:LIBJAVA must be told where to look for compiled classes.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	97	A class path could be defined in user preferences (see Section
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	98	<a href="java-installation.html#config">Configuration</a>) or ad-hoc using
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	99	API method <code>#addToClassPath:</code>. The argument is path to directory
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	100	or <code>.jar</code> file containing the classes - same path you would use with
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	101	standard JVM. Assuming the compiled <i>HelloWorld</i> class is located under
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	102	<code>~/libjava-example-1</code>, evaluate:
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	103	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	104
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	105	<pre class="code smalltalk">
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	106	Java addToClassPath: '~/libjava-example-1'.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	107	</pre>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	108
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	109	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	110	Note, that now the Java is booted and running so we have just changed
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	111	the classpath in living system.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	112	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	113
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	114	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	115	Now everything is ready to run the code. Evaluate:
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	116	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	117
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	118	<pre class="code smalltalk">
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	119	JAVA stx libjava examples HelloWorld main: #('World from Java running in ST/X').
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	120	</pre>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	121
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	122	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	123	The first part -- <code>JAVA org example HelloWorld</code> -- accesses the
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	124	Java class from Smalltalk. The class is loaded if not already. Sending
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	125	<code>#main:</code> invokes <i>HelloWorld's</i> <code>public static void
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	126	main(String[] args)</code>. Note, that here you pass a Smalltalk array
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	127	with Smalltalk string - STX:LIBJAVA interoperability features handle this
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	128	and automagically convert parameters to the form expected by Java code.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	129	For details, refer Section<a href="java-interop.html">Java-Smalltalk
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	130	interoperability</a>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	131	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	132
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	133	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	134	If everything went well, you should see a greeting in system
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	135	<a href="../tools/misc/TOP.html#LAUNCHER">Transcript</a>.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	136	</o>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	137
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	138	<h3>Comments</h3>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	139
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	140	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	141	<b><a name="reinit">Reinitializing Java runtime.</a></b><br/>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	142	If you want (for whatever reason - for example you have modified some STX:LIBJAVA
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	143	internal classes and Java runtime become completely messed up) - you may always
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	144	completely flush all Java classes and start over. To do so, evaluate:
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	145	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	146
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	147	<pre class="code smalltalk">
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	148	Java flushAllJavaResources.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	149	</pre>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	150
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	151	<p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	152	Then, initialize Java runtime as usual.
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	153	</p>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	154
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	155	<!--
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	156
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	157	TODO:
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	158
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	159	example 2: Using Groovy console. Please, add a screenshot, just like in
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	160	java-installation
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	161
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	162	example 3: SAXON XSLT & othello
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	163
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	164	-->
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	165
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	166	<HR>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	167	<P>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	168	<IMG NOPRINT ALIGN=middle SRC="../../icons/stx.gif">
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	169
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	170	<P>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	171	<ADDRESS>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	172	<tt><<a href="mailto:info@exept.de">info@exept.de</a>></tt> , <tt><stxlibjava-dev@googlegroups.com></tt>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	173	</ADDRESS>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	174
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	175	<HR>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	176	CVS: §Id: N/A §<BR>
3412 df11bb428463 Merged with mercurial revision 4f3cc813be4 (8 changesets total) Jan Vrany <jan.vrany@fit.cvut.cz> parents: 3360 diff changeset	177	SVN: $Id: java-getting-started.html,v 1.5 2015-03-20 12:08:02 vrany Exp $
2353 fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	178	</BODY>
fa7400d022a0 Updated to https://swing.fit.cvut.cz/hg/stx.libjava/rev/31f8b995905e Jan Vrany <jan.vrany@fit.cvut.cz> parents: diff changeset	179	</HTML>

author	Jan Vrany <jan.vrany@fit.cvut.cz>
	Fri, 20 Mar 2015 14:29:53 +0100
branch	cvs_MAIN
changeset 3412	df11bb428463
parent 3360	1a8899091305
permissions	-rw-r--r--