1error : public class Hello extends MID...... segnandomi con una frecetta la parola class
is not abstract and does not override abstract method commandAction(java.microedition.lcdui.Command , javax.microedition.lcui.Displayable )
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HELP ... PLEASE
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codice:import javax.microedition.io.*; import javax.microedition.lcdui.*; import javax.microedition.lcdui.StringItem; import javax.microedition.midlet.*; public class HelloJ2ME extends MIDlet implements CommandListener{ private Display display; private Form fmMain; private Command cmExit; private Command cmPrimo; private Command cmSecondo; private Command cmTerzo; private TextBox tbAction; private Command cmBack; public HelloJ2ME(){} public void pauseApp(){ System.out.println("In pauseApp .....\n\n"); destroyApp( true ); notifyDestroyed(); } public void destroyApp( boolean unconditional ) { System.out.println("In destroyApp .....\n\n"); } public void startApp() { try { display = Display.getDisplay(this); cmExit = new Command("Exit", Command.EXIT, 1); cmBack = new Command("Back", Command.BACK, 1); cmTerzo = new Command("Terzo", Command.SCREEN, 4); cmPrimo = new Command("Primo", Command.SCREEN, 2); cmSecondo = new Command("Secondo", Command.SCREEN, 3); fmMain = new Form("EuroConverter"); fmMain.addCommand(cmExit); fmMain.addCommand(cmPrimo); fmMain.addCommand(cmSecondo); fmMain.addCommand(cmTerzo); fmMain.setCommandListener(this); StringItem oper =new StringItem(null, "\nCreated by B.a.r.u."); ImageItem lg; Image logo = Image.createImage("/immicon.png"); lg = new ImageItem("", logo, ImageItem.LAYOUT_CENTER, "Logo"); fmMain.append(lg); fmMain.append(oper); display.setCurrent(fmMain); } catch (Exception e) { System.out.println("Errore!!!!"); } } }