|
/*
* file: InitializerDemo.java
* package: oreilly.hcj.review
*
* This software is granted under the terms of the Common Public License,
* CPL, which may be found at the following URL:
* http://www-124.ibm.com/developerworks/oss/CPLv1.0.htm
*
* Copyright(c) 2003-2005 by the authors indicated in the @author tags.
* All Rights are Reserved by the various authors.
*
########## DO NOT EDIT ABOVE THIS LINE ########## */
import java.util.StringTokenizer;
/**
* Demonstrates various initializers.
*
* @author <a href=mailto:kraythe@arcor.de>Robert Simmons jr. (kraythe)</a>
* @version $Revision: 1.4 $
*/
public class InitializerDemo {
/** Simple static initialization. */
public static final String NAME = "Initializer Demo";
/** Initialized static on one line. */
public static final String ARCH = System.getProperty("os.arch");
/** Static method based initialization. */
public static final String USER_HOME;
static {
USER_HOME = System.getProperty("user.home");
}
/** Simple instance member initialization. */
public String description = "An initialized member";
/** Method call instance member initialization. */
public long timestamp = System.currentTimeMillis();
/** Complex instance member initialization. */
private String xmlClasspath;
{
final StringBuffer buf = new StringBuffer(500);
final String classPath = System.getProperty("java.class.path");
StringTokenizer tok =
new StringTokenizer(classPath, System.getProperty("path.separator"));
buf.append("<classpath>\n");
while (tok.hasMoreTokens()) {
buf.append(" <pathelement location=\"");
buf.append(tok.nextToken());
buf.append("\"/>\n");
}
buf.append("</classpath>");
xmlClasspath = buf.toString();
}
/**
* Creates a new instance of Initalizers
*/
public InitializerDemo() {
}
/**
* Main method of the demonstration.
*
* @param args Command line arguments (ignored).
*/
public static final void main(final String[] args) {
InitializerDemo demo = new InitializerDemo();
System.out.println("------Dumping Contents-----------");
System.out.println("---------------------------------");
System.out.println(InitializerDemo.NAME);
System.out.println(InitializerDemo.ARCH);
System.out.println(InitializerDemo.USER_HOME);
System.out.println(demo.description);
System.out.println(demo.xmlClasspath);
System.out.println("---------------------------------");
}
}
/* ########## End of File ########## */
|