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In Topic: Trouble displaying subclass arguments in GUI

Posted 18 Mar 2012

pbl, on 18 March 2012 - 01:48 PM, said:
tray2475, on 18 March 2012 - 03:53 PM, said:
Yes Thank you! I have been starring at it for three days now and just didn't see it.

I doubt, I have posted it a two hours ago

LOL I meant the issue you were pointing out!
In Topic: Trouble displaying subclass arguments in GUI

Posted 18 Mar 2012

Thanks Guys! It works great! Until next time, Happy Coding!

In Topic: Trouble displaying subclass arguments in GUI

Posted 18 Mar 2012

pbl, on 18 March 2012 - 12:51 PM, said:

Have you noticed ?

   if(selected instanceof Monitor3D) {
         Monitor3d d3 = (Monitor3D) selected;  
         txt.append("\nRestocking Fee: $ " + d3.getSelectedFee());  // or whatever the function name is  
         txt.append("\nRestocking Fee: $");  
         txt.append("\nTotal value With Restocking Fees: $" + "\n\n");  
   }

Yes Thank you! I have been starring at it for three days now and just didn't see it.

In Topic: Trouble displaying subclass arguments in GUI

Posted 18 Mar 2012
GregBrannon, on 18 March 2012 - 12:45 PM, said:
Try:
```
           if(inv.get(currentDisplay) instanceof Monitor3D) {
               Monitor3D monitor3D = (Monitor3D)( inv.get( currentDisplay ) );
               txt.append("\nRestocking Fee: $" + ( monitor3D.getSerial() ) );
```
You don't have a getter for the restocking fee, so you'll have to write one of those in your Monitor3D class and then do as above to display that.
I see! That makes sense!

In Topic: Trouble displaying subclass arguments in GUI

Posted 18 Mar 2012

pbl, on 18 March 2012 - 12:01 PM, said:


	// view software
	public void displayMonitor() {
		txt.setText("\nItem Number: " + inv.get(currentDisplay).getItem() );
		txt.append("\nMonitor Name: " + inv.get(currentDisplay).getName() );
        txt.append("\nSerial Number");
		txt.append("\nNumber In Stock: " + inv.get(currentDisplay).getUnits() );
		txt.append("\nUnit Price: $" + String.format("%.2f",inv.get(currentDisplay).getPrice()) );
		txt.append("\nTotal value in stock: $" + String.format("%.2f",inv.get(currentDisplay).value()) + "\n\n" );
        if(inv.get(currentDisplay) instanceof Monitor3D) {
            txt.append("\nRestocking Fee: $");
            txt.append("\nTotal value With Restocking Fees: $" + "\n\n");
            }
		txt.append("Total value Of Full Monitor Inventory: $" + String.format("%.2f",inv.value()));
	}

And not a good idea to call inv.get(currentDisplay) more than once. Do:

Monitor selected = inv.get(currentDisplay);
selected.getName();
selected.getValue();
....

OK the insatnceof worked but I cant figure out the syntax to call the serial, restock fee, and restock value methods to display it in the GUI.

That should be instanceof! :bigsmile: