How to Interconvert any of the Java primitives. Conversion Amanuensis.
Scans multiple files looking for a REGEX pattern, and summarised what it finds.
Draws various types of electrical connector as teaching examples.
Ask user to confirm an action in a BAT file before continuing.
PowCost calculates how much electicity costs for various simple tasks.
Generates sample Java code to do 617 types of I/O.
common utility classes that work under Swing Java 1.7+
ShellSort is a simple sort suitable for 2000 or less elements.