To calculate a statistics, click  Calculate statistics in the tool bar or select Edit->Calculate statistics from JProfiler's main menu. If a statistics has been calculated, the context menu also provides access to this action.

Before a statistics is calculated, the memory statistics options dialog is brought up. The resulting statistics table is static and can be re-calculated be executing  Calculate statistics again. The statistics options dialog remembers your last selection.

• Package
  the name of the package. If cumulate packages has been selected in the options dialog, every possible package in the package hierarchy will be displayed, even if there are no classes in it.
• Instance count
  the number of objects allocated from this package or allocated in this package depending on the statistics type selected in options dialog together with a percentage bar and a percentage value.