q 9.1(a) Close HelloWorld2.java by clicking on the X in the editor tab.
q 9.1(b) Close HelloWorld.java by clicking on the X in the editor tab.
The Console view shows the current console, which contains the results of the last debug run. To clear the current console, click on the "eraser" icon (the top icon on the left). The console view keeps the contents of all your recent runs. You can access a list of all console views by clicking the down arrow next to the running man icon (left of the eraser).
q 9.1(c) Clear the Console view.
This will leave you with a nice, clean workbench like the one in Figure 9.4.