15 new Java tips

Java SE Tips / java.lang

How can I get started programming in the Java?
Why developers should not write programs that call 'sun' packages
Where can I get the Java programming language source code?
Where did the Java name come from? What does it stand for?
What documentation is available for Java? How can I get it?
Are Java programming language courses available? Where?
How do I file bug reports or feature suggestions?
How to get the hexadecimal value of an int
How to convert a hexadecimal string into an int
How to copy an array into another


Java ME Tips / MIDP

Encrypting/Decrypting text messages with Bouncy Castle Crypto API
Reading and writing array data to persistent storage


Java EE Tips / javax.servlet

How to get/set values from servlet page to session object
Servlet Setup Environment
How to start Tomcat at Runtime from Java class