The Memory Variable Table
You can use the Memory Variable Table to look at the contents of JMRI memory variables.
Note that you can sort the table by each of the columns, just click on the column heading.
To change the value stored in a particular Memory Variable, just doubleclick on the Value column in the desired row. Enter a new value, followed by hitting the Return or Enter key to store the value.
Adding a new Memory
To create a new Memory Variable, click on the "Add..." button at the bottom left of the pane.
For more information on Memory Variables, see the Memory Variables help page.