What is the base class for J2ME project?

What is the base class for J2ME project?

J2ME APIs. HelloWorld extended the MIDlet class and contains references to a Display object (theDisplay) and a TextBox object (mainScreen). TextBox extends the Screen class, which is the base class for all high-level GUIs.

What is the use of TextField class in J2ME?

Class TextField. A TextField is an editable text component that may be placed into a Form . It can be given a piece of text that is used as the initial value. A TextField has a maximum size, which is the maximum number of characters that can be stored in the object at any time (its capacity).

What is the use of MIDP in J2ME application?

Mobile Information Device Profile (MIDP) defines the Java application environment for mobile information devices (MIDs), such as mobile phones and personal digital assistants (PDAs). MIDP is part of the Java™ 2 Platform, Micro Edition (J2ME™).

What is the use of j2me?

J2ME (Java 2 Platform, Micro Edition) is a technology that allows programmers to use the Java programming language and related tools to develop programs for mobile wireless information devices such as cellular phones and personal digital assistants (PDAs).

Why do we need to use commandAction () method?

The commandAction() method is typically invoked in the context of the thread that is responsible for managing the user interface and therefore any delay caused by this method may cause the user interface to appear to be unresponsive.

What are the uses of J2ME?

What does midp stand for?

Master Information Delivery Plan
The Master Information Delivery Plan (MIDP), is a primary plan which is used to manage the delivery of information during the project lifecycle.

What is the use of MIDlet class?

A MIDlet is a set of classes designed to be run and controlled by the application management software via this interface. The states allow the application management software to manage the activities of multiple MIDlets within a runtime environment.

What is command listener?

A command listener is an instance of any class that implements the CommandListener interface; however, for practical purposes, all plug-in command listeners should extend one of these classes: EssbaseCommandListener. AppManCommandListener. AbstractCommandListener.