GC Reference Manual

English version of the original text: GC Tuning: In Practice
Introduction
to Garbage Collection - GC Reference Manual Garbage Collection in Java - GC Reference Manual
GC Algorithms (Basic) - GC Reference Manual
GC Algorithms (Implementation) - GC Reference Manual
GC Tuning (Basic ) Chapter) - GC Reference Manual
GC Tuning (Tools) - GC Reference Manual

Eclipse MAT (Memory Analyzer) tool: http://www.eclipse.org/mat/about/screenshots.php