MIDlet for Adding Two Numbers
Program:
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
public class HelloMidlet extends MIDlet implements CommandListener{
private Form form;
private TextField txtA, txtB;
private Command cmdDisp;
private Display display;
public StringItem st;
public HelloMidlet(){ super(); }
public void startApp() {
form = new Form("Addition MIDlet");
//String msg = "Hello World!!!!!!!";
txtA = new TextField("Value of A", "", 5, 0);
txtB = new TextField("Value of B", "", 5, 0);
cmdDisp = new Command("Add",Command.OK,1);
form.append(txtA);
form.append(txtB);
form.addCommand(cmdDisp);
form.setCommandListener(this);
display = Display.getDisplay(this);
st = new StringItem("","");
display.setCurrent(form);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
notifyDestroyed();
}
public void commandAction(Command command,Displayable displayable) {
int a, b, res;
if(command==cmdDisp) {
a = Integer.parseInt(txtA.getString());
b = Integer.parseInt(txtB.getString());
res = a + b;
st.setText("");
st.setText("Addition of " + txtA.getString() + " and " + txtB.getString() + " is " + res );
form.append(st);
}
}
}
Output:
