package demo;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
public class HelloWorldMIDlet extends MIDlet {
PRivate TextBox textbox;
public HelloWorldMIDlet() {
super();
textbox = new TextBox("测试程序", "Hello World!", 20, 0);
}
protected void startApp() throws MIDletStateChangeException {
Display.getDisplay(this).setCurrent(textbox);
}
protected void pauseApp() {
}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
}
}import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.TextBox;
运行HelloWorld
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