Construction of a Waveform Browser.- e-Science and EScope.- A Java Client for MDSplus.- Graphical User Interfaces Using Swing.- Waveform Graphics.- Interactive Graphics Using Mouse Events.- Navigating the Database.- Refactoring EScope with Design Patterns.- Object-Oriented Analysis and Design.- First Facades.- Adapter.- The Template Pattern.- Decorator.- Patterns at Work: Multiple Waves.- Patterns at Work: Multiple Graphs.- Observer.- Proxy.- State.- Factory Patterns.- Chain of Responsibility.- Design Patterns and Threads.- Postscript.