txtResult = new TextArea(20, 40);
txtCommand.setFont(fFont);
txtResult.setFont(new Font("Courier", Font.PLAIN, 12));
butExecute = new Button("Execute");
butClear = new Button("Clear");
butExecute.addActionListener(this);
butClear.addActionListener(this);
pCommand.add("East", butExecute);
pCommand.add("West", butClear);