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ers are verbose. YMMV.
* Day 0: [[technology:java:javaone2008:day0|Community One]]
* Day 1: [[technology:java:javaone2008:day1|Java One Day 1]]
* Day 2: [[technology:java:javaone2008:day2|Java One Day 2]]
* Day 3: [[technology:java:javaone2008:day3|Java One Day 3]]
* Day 5: [[technology:java:javaone2008:day4|Java One Day 4]]
===== Sightseeing =====
I had a little bit of time fo
tware) came out and introduced this years theme: Java + You. He mentioned that never before have end u... those special book formats.
- the device runs java and can be extended with 'booklets'((you **did** ... y-syntax way to write fat client applications for Java SE, Java ME, and Java TV (to debut later in 2008). Sun gave 3 incredible demos using Java FX:
- __ConnectedLife__ - a social networking applicat
to do things myself.
===== Step 1: Setting up Java =====
The OpenJDK was installed on my machine by ... re openjdk-6-jdk
...
sudo apt-get install sun-java6-jdk sun-java6-jre
...
sudo apt-get autoremo... at weren't needed anymore, like ''ca-certificates-java'' and ''libjline-java''. Again, I don't know wha... alternatives
me@myhost:/etc/alternatives$ ls -lrt java*
lrwxrwxrwx 1 root root 39 2009-11-01 18:02 java_
r JVM yet ((like Weblogic 10, which only supports Java 1.5 even though Java 1.6 has been available for o... o find code that won't run on an older version of Java? Simple! use the ''-source'' parameter to ''javac''. Lets do an example:
<code java>
import java.util.*;
class GenericsTest
{
public sta... ics--a language feature that is only available in Java 1.5 and higher. Lets suppose our code needs to r
====== Java Tutorials ======
* Using [[strings_in_case_statements|Strings in Case Statements]]
* Fin... ting to separate log files with [[Log4J]]
====== Java Code Examples ======
Following are some code exam... ml_schema_validator_2|XML Schema Validator 2 (non-Java)]]
* [[spreadsheet_reader|Spreadsheet Reader]]
... le]]
* [[class_loaders|Class Loaders]]
====== Java Resources ======
* My trip to [[technology:jav
ion bandwidth by 80%
* Designed & implemented a Java EE middle tier application. This proxy converts ... tiple clients and users. Technologies included: Java, PHP, Asterisk, Oracle, MySQL, Jabber, Linux, Sol... ance in multiple languages and environments
==== Java EE Contractor. Blue Cross Blue Shield of Florida... se for object modelling.
**Tasks:**
* Designed Java Data Access Objects to manage data requests
* D
example ======
Assertions are a debated topic in Java. They were implemented in such a way that they t... he assertion failure. Here is an example:
<code java>
package com.freyer.test;
public class Assertion... to enable and disable assertions, as follows:
java -disableassertions com.freyer.test.AssertionTest --> disable all assertions
java -da com.freyer.test.AssertionTest
====
Monday at JavaOne was not officially part of Java One. It was called Community One and was focused... n all the community efforts that surround Sun and Java.
===== Opening Keynote =====
The opening keyno... The presenter began by speaking about traditional Java EE applications, and showing slides that point ou... ally, JFugue is a project that sits on top of the Java media system and makes dealing with it simple. J
mple example, without the utility function:
<code java>
class ForNameTest
{
public static void main... st'' warning at compile time:
<code>
ForNameTest.java:6: warning: [unchecked] unchecked cast
found : java.lang.Object
required: java.lang.Class<MyClass>
Class<MyClass> myclass = (Class<MyClass> ) o... ast an object in code, and it throws a ''[[http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ClassCastEx
* 2002, Comment in November's [[pdf.sys-con.com/Java/ant.pdf|Java Developers Journal]] about project m... native app)
* 2004, answering a question about Java vs. C++ in the [[http://lists.opensuse.org/opensu... etlib.org/benchmark/linpackjava/timings_list.html|Java Linpack Timings]] benchmark effort.
* 2005, usi... mmenting on [[http://blogs.sun.com/jonathan/entry/java_is_everywhere|Sun's stock ticker change to "JAVA"
====== Java Class Loaders ======
Most java programs don't need to manipulate the JVM class loader. But ... =
So create a basic class loader like this:
<code java>
package com.freyertech.classloaders;
import java.net.URL;
import java.net.URLClassLoader;
public class DoNothingClassLoader extends ClassLoader {
... his, to call a program with a main() method:
java -Djava.system.class.loader=com.freyertech.classlo
on the internet, written in C. I converted it to Java and have used it ever since when I need a convenient way to calculate the date of Easter.
<code java>
import java.util.Date;
import java.util.Calendar;
import java.text.SimpleDateFormat;
class EasterDate
{
public static void main(String[] args)