通用java类

Contains a bunch of Java classes - basically everything not tied to a particular application to encourage reuse. Short summary of key features: * Java Swing animation library: Create smoothly interpolated animations * ConcurrentCache: A high-performance data cache implementation * PrefixTree: A text-search data structure suitable for searching for strings from the start * Fast Image resizing algorithm * Statistics class for computing the mean and standard deviation of a data set * A progress system for long-running tasks * A string randomizer * Several UI components for Swing: * Auto-Submitting text fields * Placeholder text fields * Slideshow panel * Slider panel * Look-And-Feel utilities * Nice popup factory