The following text was written to the standard output stream when the Interpreter1.java program was executed from IntelliJ.
/* *This is interpreter is intended to paint different colored dots in a window. * * The commands that the intepreter can recognize and respond to are; * -BLUE: paint a blue dot * -RED: paint a red dot * -HELP: show a list of the commands in a dialog message box * -EXIT: terminate the program */ package interpreters; import java.awt.Color; import javax.swing.JOptionPane; import javax.swing.SwingUtilities; import painter.SPainter; import shapes.SCircle; public class Interpreter1 { private void interpreter() { //CREATE OBJECTS TO THINK WITH SPainter miro = new SPainter("Dot Thing", 400, 400); miro.setScreenLocation(0,0); SCircle dot = new SCircle(180); //REPEATEDLY TAKE A COMMAN FROM AN INPUT DIALOG BOX AND INTERPRET IT while (true) { String command = JOptionPane.showInputDialog(null, "Command?"); if ( command == null ) { command = "exit";} //user clicked on cancel if ( command.equalsIgnoreCase("blue")) { miro.setColor(Color.BLUE); miro.paint(dot); } else if ( command.equalsIgnoreCase("red")) { miro.setColor(Color.RED); miro.paint(dot); } else if (command.equalsIgnoreCase("help")) { JOptionPane.showMessageDialog(null, "Valid commands are:" + "RED | BLUE | HELP | EXIT"); } else if ( command.equalsIgnoreCase("exit")) { miro.end(); System.out.println("Thank you for viewing the dots ..."); break; } else { JOptionPane.showMessageDialog( null, "Unrecognizable command:" + command.toUpperCase()); } } } //INFRASTRUCTURE FOR SOME SIMPLE PAINTING public Interpreter1() { interpreter(); } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { new Interpreter1(); } }); } }