Java Reference
In-Depth Information
else if
(command.equals("exit"))
return false
;
else
System.out.println("Error! Not a valid command");
}
catch
(IOException ioe) { ioe.printStackTrace(); }
return true
;
}
void
printHelp() {
System.out.println();
System.out.println
("Insert one of the following commands:");
System.out.println
(" op <number> (store an operand)");
System.out.println
("
!
(sum the last two operands)");
System.out.println
(" - (subtract the last two operands)");
System.out.println
(" * (multiply the last two operands)");
System.out.println
(" / (divide the last two operands)");
System.out.println
(" dec (switch to base 10)");
System.out.println
(" bin (switch to binary base)");
System.out.println
(" hex (switch to hexadecimal base)");
System.out.println
(" fixed (switch to fixed point format)");
System.out.println
(" float (switch to floating point format)");
System.out.println
(" rat (switch to rational format)");
System.out.println
(" del (remove last operand)");
System.out.println
(" help (print this command list)");
System.out.println
(" exit (terminate execution)");
System.out.println();
}
public static void
main(String[] args) {
Command command
#
new
Command();
while
(command.nextCommand());
}
}
}
