This diagram consists of a row of six rectangles labeled as follows (from left to right):
Eden
Survivor
Survivor
Virtual
Tenured
Virtual
Groups of rectangles are labeled as follows:
Total size: Rectangles 1 through 6
Committed vs. Virtual: Committed consists of rectangles 1 through 3 and 5; virtual consists of rectangles 4 and 6
Tenured to Young ratio: Tenured consists of rectangles 1-4; young consists of rectangles 5-6
Eden to Survivor space ratio: Eden is rectangle 1; survivor space is rectangle 2
