Code Snippets and Tips for Java

Java Code Snippets

• Resize an array
• Decode a time value and add it to the current date
• Parse quoted strings with java.util.Scanner
• Encrypt 64-bit blocks with Blowfish

Java Utility classes and Applets

• Base64 encoder/decoder class (Base64Coder)
• LRU cache class (LRUCache)
• JDBC connection pool manager (MiniConnectionPoolManager)
• "Station clock" applet (with anti-aliasing)

Java Tips

• How to run a Java Program as a daemon (service) on Linux (SUSE) using a shell script