Interface In Java With Example Program Pdf


All examples are compiled and tested on Visual Studio. What is an API? • API - stands for Application Programming Interface. 254: iface eth0 inet static. You can implement as many interfaces as you want to, but in this case we only implement two - our own IAnimal interface, and the. An interface is written in a file with a. Abstract class and interface are very popular in any object oriented programming language or Java interview, and there are always one or more questions from this. This Contract states what a Class can do without forcing how it should do it. interface is the code that is used to create an interface in java. For example, if you’re using Agile methodologies or Scrum, you’ll probably want to structure your milestones slightly differently. What is Java? What is JVM? What are classes and objects? Learn about Packages, Multithreading, Exception Handling. They are separated broadly by handout, but borders are necessarily blurred. java _ and then in the program you write ^public class example. Multi-level inheritance can be considered as a addon to single inheritance as in this type we have more than one level of inheritance (shown in the diagram below). Any class can implement a particular interface and importantly the interfaces are not a. From your humble beginnings, perhaps working as a tester, you've progressed to a team developer, then a senior developer, and now you've made another leap, the biggest of them all, to working directly with clients. For those familiar with Java, C#'s interfaces are extremely similar to Java's. And FileInputStream implements the method close(), which is enforced by Closeable interface. In Java 8, we gained access to a set of powerful new functional features and syntax. C++ Language Tutorial on whether it has a Development Interface or not and on its version. out is scheduled to run by the native operating system. An application programming interface (API) is an interface or communication protocol between a client and a server intended to simplify the building of client-side software. An interface has no variable declarations or method bodies. For simple problems, we want the interface to be created entirely automatically with no. But Java allows only one class to extend, it wont allow multiple inheritance. "Program to an interface" means just that. Implements this interface in another class named MyClass. As you may already know, interfaces define a set of functionality as a rule or a contract. Frame (via its superclass java. Kura runs on top of the Java Virtual Machine (JVM) and leverages OSGi, a dynamic component system for Java, to simplify the process of writing reusable software building blocks. awt package, including java. java, part of the standard distribution of ILOG CPLEX, is a program that builds a specific small LP model and then solves it. For example, if you’re using Agile methodologies or Scrum, you’ll probably want to structure your milestones slightly differently. See the YoLinux Java JUnit tutorial; Apache. A Guide for Connecting Java to SAS® Data Sets Ryan Snyder, Institute for Advanced Analytics, North Carolina State University, Raleigh, N. Java Programming Language, Java SE 6 Electronic Presentation SL-275-SE6 REV G. The class hierarchy of Swing's JComponents is as follows. Appearance Is Everything. • We will not cover all of the details (e. Any methods declared in the Belongings and Transit interfaces will be inherited by the child interface Car. corewebprogramming. Java has 3 looks, (by looks I mean how the components look). HTML Files; FilenameFilter example in java; stack example java program using interface; interface example java program; multilevel with constructor example java program; multilevel inheritance example java program; single interitance example java program; Single inheritance. will start with setting up programming environment in Windows operating system and then proceed with showing Java Me programming model on the example of a number of mobile applications Java Me is a specification of a subset of Java platform which provides a set of Java APIs for development for small and resource-limited devices. Here is the link on Java programming with eclipse : Basic. The \multi-platform" aspect of this is that you can write a program on a Macintosh and have the same graphic objects show up when the program is run under UNIX or Windows (modulo some minor. , occurs, and where energy, information, and/or material is exchanged. AWT relies on "peer-based" rendering to achieve platform independence. The tutorial begins with an introduction to concepts, motivations, and design considerations for using Pthreads. Java tutorial teaches the basics of Java language. The Java Tutorials have been written for JDK 8. Java uses Interface to implement multiple inheritance. in that i make a project and then in that i made a package named 'nomad' and inside it i had these two classes. In each case, it looks like we have to write a procedure to do the sorting. This site provides a hands-on approach on Java old plain code and GUI programming using NetBeans IDE. In Java, AWT's paint methods are an example of this kind of event-driven programming. The tutorial begins with an introduction to concepts, motivations, and design considerations for using Pthreads. Java Anonymous Inner Class of a Class Type. Additional options let you extend STK using plugins, interface to STK externally through COM and scripting interfaces, and develop custom applications. Multiple Inheritance Using Interface Example Java Program Definition Inheritance is when an object or class is based on another object or class, using the same implementation specifying implementation to maintain the same behavior. There are two good reasons to learn the meaning of polymorphism. In each case, it looks like we have to write a procedure to do the sorting. 2 D61748GC11 Edition 1. As opposed to previous PDF versions of this guide, the present edition provides the convenience of hyperlinks and the readability of type 1 fonts. Let's make an example:. An Application Programming Interface (API) is a tool set that programmers can use in helping them create software. Processing is based on Java, but because program elements in Processing are fairly simple, you can learn to use it even if you don't know any Java. An application programming interface (API), in the context of Java, is a collection of prewritten packages, classes, and interfaces with their respective methods, fields and constructors. Interfaces are the blueprints of a class. In Our Example illustrates Multilevel Inheritance, Here Class B is derived from superclass A which itself acts as a superclass for the subclass C. Including listing downloads. We conclude by providing descriptions for several practice programming exercises that could be attempted at after reading the tutorial. In the threads model of parallel programming, a single "heavy weight" process can have multiple "light weight", concurrent execution paths. Printed black and white on 60# offset paper [most of the time, but pay attention to exceptions] from sustainable sources. If you would like to learn Kotlin programming language, this is a good start. Java Application Programming Interface (API) Java application programming interface (API) is a list of all classes that are part of the Java development kit (JDK). ABSTRACT This paper is written for Java programmers who want to access SAS data sets. I made this program in ECLIPSE IDE. We have gathered a variety of Java exercises (with answers) for each Java Chapter. The software layer, the Java Virtual Machine (JVM),. Where is the Java Collections Framework? • Package java. 2 of Java has extended the AWT with the Swing Set, which consists of lightweight components that can be drawn directly onto containers using code written in Java. Come back often to check out our latest tutorials to help you get started with Visual Paradigm. The Stack class represents a last-in-first-out (LIFO) stack of objects. Interface Inheritance Java Program. 2 Pay for what you use. An interface is an abstraction of class with no implementation details. Core Java Example Programs - In this section you will find Solved Example Programs on Core Java for your practices, these programs are very important and most searched on the internet. Java interfaces have same behaviour: they set strict rules on how to interact with objects. This button is the interface between you and the electronics inside the washing machine. This tutorial guides you through the process of creating the graphical user interface (GUI) for an application called ContactEditor using the NetBeans IDE GUI Builder. Hello World Example of Simple Logging Facade for Java or SLF4J Build Android application package file (APK) using Eclipse IDE and Android Developer Tools (ADT) Plugin Build, Install, Configure and Run Apache Hadoop 2. About this tutorial What is this tutorial about? The Java Native Interface (JNI) is a native programming interface that is part of the. I would say that programming to an interface is a broader concept. To know more about PDFBox library and PDF examples in Java using PDFBox check this post- Generating PDF in Java Using PDFBox Tutorial. An API defines the correct way for a developer to request services from an operating system (OS) or other application and expose data within different contexts and across multiple channels. Java programming language was originally developed by Sun Micro-systems which was initiated by James Gosling and released in 1995 as core component of Sun Micros-ystems' Java platform (Java 1. A discussion regarding the addition of lambdas/closures began in 2006, shortly after Java 5 had been released. This document attempts to reconcile this problem, by defining standard user interface guidelines for the creation of new components. Interfaces are the blueprints of a class. You will learn a great deal about Java programming by learning how the Java language is similar to, and different from, C and C++. In order to run a Java program, the u ser needs another program that can interpret the Java program and provide it with the environment and services it needs. java Program: output : Interfaces 1. Three perfectly reasonable proposals for closures emerged, but unfortunately they did not converge. Note : The method toString in class A1 is an overridden version of the method defined in the class named Object. Any class can implement a particular interface and importantly the interfaces are not a. Some of the key language elements of Java that support object interfaces are listed in Table 1 (which sum-marizes only small fraction of the features of Java). In this tutorial, we will show you how to create two custom annotations – @Test and @TestInfo, to simulate a simple unit test framework. All programs in this page are tested and verified. I Author Florence Tiu Balagtas Team Joyce Avestro Florence Balagtas Rommel Feria Reginald Hutcherson Rebecca Ong John Paul Petines Sang Shin Raghavan Srinivas. If your program instantiates an object of class A, for example, the class loader searches the. For example, if you want to turn on the washing machine to wash your clothes you need to press the start button. Interface in Java, why use interface with examples and marker/tagged java interface with difference between abstract class and java interface, understanding relationship between class and interfaces, java interface example,what is marker in java, tagged interface in java. Data Flow Diagrams Data flow diagrams have replaced flowcharts and pseudocode as the tool of choice for showing program design. They just act as a medium between a java program and the concept of java programming language. Of Mice and Men. Request PDF on ResearchGate | Easy Java: A Tutorial on Java Programming | The world today is moving at an incredibly fast pace. The series begins with an introduction to the basic concepts of Java objects and concludes with an exploration of the development of Java programmes that employ a. It can contain only abstract methods and static final data members Or Interface is a group of related abstract methods. When you display a JFrameon the screen, by default Java does not exit the program when the frame is closed. A program with examples of various Java syntax that converts a base 10 int to base 2 String. The purpose of this tutorial is to get you started with the Java Swing toolkit. This is ok. Type of statement and syntax along with example. There are two good reasons to learn the meaning of polymorphism. A Java class can implement multiple Java Interfaces. A better solution is to use the Java Action interface or the Java AbstractAction class. Programming Tutorials. 2 shows an example of a GUI. • A connection to the transport layer. •An interface can be used to define a set of "constant". •An interface can be used to define a set of “constant”. Each example consists of a Java program that calls various native methods implemented in C. If you been in java programming since enough long time, you may realize that how painful can be adding a new method in an existing interface. It covers the fundamentals of programming, roughly the same material that is covered in a beginning programming course in a university or in a high school AP Computer Science course. 360 Chapter 10 Java 2D: Graphics in Java 2 These exciting capabilities come at a price—the Java 2D API is part of the Java Foundation Classes introduced in Java 2. – The interface should extend java. To know more about PDFBox library and PDF examples in Java using PDFBox check this post- Generating PDF in Java Using PDFBox Tutorial. Declare a hash map that maps strings to integers. Saving and Running the GUI. Uses an AWT robot class to test code. Modifying Our First Java Program (Cont. The binary search tree class in Chapter 16 is an example of generic program-ming because you can use it with any classes that implement the Comparable interface. A Thread can be created by extending Thread class also. They are separated broadly by handout, but borders are necessarily blurred. For example: The main program a. The first difference is that you do not use the class keyword but the interface keyword to define it. This tutorial on Bluetooth programming in GNU/Linux will continue to be freely distributed from this website, but if you find it useful, or would like to learn more about Bluetooth programming, please consider purchasing, borrowing, or otherwise obtaining a copy of the book. plete Java programs and encourage readers to use them. For example class C extends both classes A and B. JAVA TUTORIAL Write Once, Run Anywhere Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. An interface has no variable declarations or method bodies. 3 Example Application Overview In this document, each service description contains a source code (pseudo code) example. They are also known as inner interface. Learn Java Programming: Principles of Software Design from Duke University. 2JavaInterfaces 9. Download free Java tutorial for self learning , course tutorial training on pdf under 515 pages by Laura Lemay and Charles L. Programming to an Interface Make sure to account for the variable parts of your applications. The program has two important functions named as snmpSet and snmpGet. As your program executes, you can watch the values stored in variables, observe which methods are being called, and know what events have occurred in the program. There are many ways to create a stream instance of different sources. 1) SNMPv1CommunicationInterface The program listed below illustrates the use of the communication interface class to open a connection to a remote APC UPS device. Java i About the Tutorial Java is a high-level programming language originally developed by Sun Microsystems and released in 1995. Although JDBC was designed specifically to provide a Java interface to relational databases, you may find that you need to write Java code to access non-relational databases as well. java extension. This programming model is a type of shared memory programming. The STK Programming Interface offers a wide variety of options to automate and customize STK and to integrate its technology into other applications. GUI Programming in Python. And FileInputStream implements the method close(), which is enforced by Closeable interface. */ public interface Remextends Remote. Chapter 9 Programming to Interfaces 9. They are 1. In this java tutorial, we will understand the working of multi-level inheritance in java with a program example. XML Legal Document Utility Version: <1. An interface in java is a collection of abstract methods and constant identifiers. 3 Implementing the editor using arrays 345. Logger: both of these very popular logging APIs do not implement a separate interface, being used directly from. By adopting this approach, you can bridge the gap between learning and doing immediately. Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at improving developer productivity thanks to a concise, familiar and easy to learn syntax. ArrayList) is a fast and easy to use class representing one-dimensional array. Some pages are still rough drafts, and I haven't been working on them for a long time. It is writ- ten for PHP programmers who are making the move to PHP 5. The byte code of an interface appears in a. programming Java Input/Output 2 Input/Output www. Hello World Example of Simple Logging Facade for Java or SLF4J Build Android application package file (APK) using Eclipse IDE and Android Developer Tools (ADT) Plugin Build, Install, Configure and Run Apache Hadoop 2. Value Parameters: An example that shows the behavior of value parameters. Each example consists of a Java program that calls various native methods implemented in C. NET IComparable interface, which is a shared interface for classes that can be sorted. Here is a small excerpt from the definitions of the interfaces List and Iterator in pack-age java. See below for user comments on the site. Example 2: Below is a java interfaces program showing the power of interface programming in java Listing below shows 2 interfaces and 4 classes one being an abstract class. Let's take an example of seemingly strange looking syntax that defines an anonymous inner class. Includes numerous programming examples in the ABAP, C, Java, and C# languages About the Book About the E-book 405 pages, hardcover, 1. In Java programs Array. A class needs to override all methods of interface unless it is abstract class, otherwise, you will get compilation errors. An abstract class is a class that cannot be instantiated, but has all the properties of a class including constructors. The purpose of a constructor in Java is to outline a section of code that will be executed when an Object is first instantiated. Multiple Inheritance: refers to the concept of one class extending more than one classes, which means a child class has two parent classes. The Java SWT tutorial is a tutorial for a third-party Java GUI toolkit. Java programming language, originated in Sun Microsystems and released back in 1995, is one of the most widely used pro-gramming languages in the world, according toTIOBE Programming Community Index. An interface can't have behavior or state. For example class C extends both classes A and B. Kindly share some example or tutorial or links to create pptprogramatically writing a java program using eclipse i heard that it is easier to make java gui using. This chapter closes with an exploration of a portion of the java. Serializable). 1 External User Interface Requirements. One of these is the introduction of generics. Java is a very powerful programming language. GUI Programming in Java (Chua Hock Chuan) This introductory book shows you how you can reuse the graphics classes provided in JDK for constructing your own Graphical User Interface (GUI) applications. Learn how to create programming solutions that scale using Java interfaces. Click OK to dismiss the Project Properties dialog. Or, we could want to sort an array of class Movie based on our own ranking of these movies. Similarly, in programming, a function is a block of code that performs a specific task. PrimeEx A. USB interface tutorial covering basic fundamentals. We'll work now to grow and refine your existing Java programming skills. This button is the interface between you and the electronics inside the washing machine. Any methods declared in the Belongings and Transit interfaces will be inherited by the child interface Car. used for GUI programming. interface is the code that is used to create an interface in java. These notes are based on the excellent book, "Core Java, Vol 1" by Horstmann and Cornell, chapter 7, graphics programming. Java supports native codes via the Java Native Interface (JNI). 2 Pay for what you use. This site provides a hands-on approach on Java old plain code and GUI programming using NetBeans IDE. Here is an example building a Java module (shown for Cygwin, see the SWIG Wiki Shared Libraries FAQ page for help with other operating systems):. Each use case includes one or more methods, each with a self-explanatory name which can be referenced by other. Java - Interfaces. If you want to achieve the design principle of programming to an interface, it's very likely that you will use a language construct called interface if your programming language has such (e. If you would like to learn Kotlin programming language, this is a good start. This blog was founded with a niche that is to provide best structured, simplified, well described and conceptual posts about various Java topics. ● The user interface for the system will allow the user to easily generated documents, search for documents, and modify documents. Interface in Java: Interface is used for achieving full abstraction in java. Java expands the concept of Abstract class with Interface means its members are not Implemented. Frame (via its superclass java. We'll work now to grow and refine your existing Java programming skills. Java Virtual Machine, and, naturally, Java as the most prominent programming language on the JVM did not want to be left behind. We can't instantiate an interface in java. Chapter 9 Programming to Interfaces 9. You may be familiar with similar constructs from other languages, most notably C++ templates. short Java contains eleven (11) types of operators:. This article is meant for the individual who has little or no experience in Java GUI programming. Joseph Bergin, 1996. An interface is just like Java Class, but it only has static constants and abstract method. Interfaces in Java. How to create one and rules applied to Interfaces. Chapter 9 discusses the cre-. programs (including Java programs) Event-Driven Programming in Java: • The JVM receives event messages from the OS, and then sends messages to (invokes implemented interface methods of) objects registered for each event. 1 Introduction. 2, PrimeFaces, servlets/JSP, Ajax , jQuery, Android development, Java 7 or 8 programming, custom mix of topics – Courses available in any state or country. In this series, we assume that you have a general foundation of Java and object-oriented programming knowledge, so basic programming skills won't be covered in this course. Each of these three classes should have a start_engine() action. Each Java program must define a method called main in at least one class. The class hierarchy of Swing's JComponents is as follows. Interfaces are the blueprints of a class. The software layer, the Java Virtual Machine (JVM),. The interface you are mainly referring to in your question is a Java Interface. List Interface in Java with Examples The Java. Create New Thread Using Runnable Example This Java example shows how to create a new thread by implementing Java Runnable interface. The Java API refers to the speci cation that de nes how Java code may access functionality, such as opening a le in the le system, creating a socket connection with another process, creating a linked-list of objects, etc. If so, you'll soon see that there are both similarities and important. For example, classes B, C & D extends the same class A. Java Programming Language, Java SE 6 Electronic Presentation SL-275-SE6 REV G. The native methods, in turn, may call. About the Simple GUIDE GUI Example Program the Simple GUIDE GUI. Serializable interface. JComponent and its. A program with examples of various Java syntax that converts a base 10 int to base 2 String. Java Notes: Table of Contents. Now let's take a look at these Java programs starting from the simplest Java program written here with output to shutdown your computer. Java is defined by a specification and consists of a programming language, a compiler, core libraries and a runtime (Java virtual machine) The Java runtime allows software developers to write program code in other languages than the Java programming language which still runs on the Java virtual machine. • Need access to legacy code that has been well tested. Java allows you to impliment multiple interfaces at a time. Java Tutorial It is one of the programming language or technology used for developing web applications. This tutorial shows you how to write and run a simple Hello World program in Java with Visual Studio Code. Let's see how all of them are structured together in a class in Java. Java Programming Examples: Creating a GUI with Swing October 4, 2013 by Bryan Wilde When you are learning how to program in Java, one of the best ways to see proper code in action is to follow along with examples. Some rules about interfaces A Java interface may only contain { instance method headers, and { constants (implicitly static and final). Multiple Inheritance Using Interface Example Java Program Definition Inheritance is when an object or class is based on another object or class, using the same implementation specifying implementation to maintain the same behavior. This tutorial gives a complete understanding of Java. Write Java program to download the result of a Google search. A prominent example is the Runnable and Callable interfaces that are used in concurrency APIs. Learn from basic to advanced concepts by Java examples and coding samples. Any methods declared in the Belongings and Transit interfaces will be inherited by the child interface Car. This tutorial is intended for students and developers who are familiar with Java GUIs and event handling. To create a Java program, you must ensure that the name of the class in the file is the same as the name of the file (and that the file has the extension. Component and its subclasses, to illustrate the structure of programs written in an event-driven style. Оnly the functionality will be provided to the user. An interface is a class-like concept. A graphical user interface (GUI) is a way to communicate what you want to a computer application or operating system without typing the instructions in. In Our Example illustrates Multilevel Inheritance, Here Class B is derived from superclass A which itself acts as a superclass for the subclass C. Java 8 features with examples: ava 8 was a huge release from this development platform. This tutorial will take you step-by-step through the process of configuring, programming, and operating your Control System. access modifiers Aggregation anonymous class Association clone Cloneable interface Composition constructor Default Default method encapsulation equals() method Extreme Programming Functional interface HAS-A information hiding inheritance Initialization inner class interface IS-A java java-8 JVM JVM Structure Lambda Method References object in. (If there are errors in your program you will be notified; see below. This tutorial guides you through the process of creating the graphical user interface (GUI) for an application called ContactEditor using the NetBeans IDE GUI Builder. py, to demonstrate debugging. In case, a class is used to implement two interfaces that declare the same method; then the same method will be used by clients of either interface. When you create an interface it defines what a class can do without saying anything about how. [JAVA] Practical examples of using interfaces? If it doesn't make sense to extend a super in order to give a subclass a specific behaviour via a method, is this when you would use an interface instead?. When should I use an interface in java? classes etc. Another way to achieve abstraction in Java, is with interfaces. 0, December 2006 (Version 5. Using the correct APIs and data structures determine the developer's level of experience in the practice of the Java programming language. Further Information. The byte code of an interface appears in a. When you create an interface it defines what a class can do without saying anything about how. A Java class can implement multiple Java Interfaces. In terms of mobile development, Java is commonly used as the programming language for Android applications. and programming paradigm of the java language and platform in this two part tutorial learn the java syntax that youre an introduction to programming using java anthony j dos reis on amazon free shipping on qualifying offers ideal for the introductory programming An Introduction to Programming Using Java:. It covers the fundamentals of programming, roughly the same material that is covered in a beginning programming course in a university or in a high school AP Computer Science course. The Stack class represents a last-in-first-out (LIFO) stack of objects. */ public class CreateThreadRunnableExample implements Runnable{/* * A class must implement run method to implement. Three perfectly reasonable proposals for closures emerged, but unfortunately they did not converge. How to create one and rules applied to Interfaces. Here is a Java functional interface example:. It’s called the observer pattern. Java is the most popular programming language & is the language of choice for Android programming. Interfaces provide a formal contract between the class and the outside world which, in turn, will be enforced at build time by the compiler. applications in the broader context of these Java GUIs. Now let's take a look at these Java programs starting from the simplest Java program written here with output to shutdown your computer. The software layer, the Java Virtual Machine (JVM),. Java Programming Pdf Notes - Java Pdf Notes - Java Programming Notes Pdf - Java Notes Pdf file to download are listed below please check it - Latest Material 2 Links Link - Complete Notes Link - Unit 1 Notes Link - Unit 2 Notes Link - Unit 3 Notes Link - Unit 4 Notes. 1 Java Source Files Each Java source file contains a single public class or interface. ATM Simulation Code. Java is a general-purpose programming language. RemoteException import java. Component) implements the java. applications in the broader context of these Java GUIs. provided, many of the classes and interfaces in the AWT are still used for GUI programming. Java 8 Functional Interface By Examples November 6, 2015 August 6, 2018 by Varun Java 8 Functional Interface concept was introduced by Java to support Lambda Expressions which are very similar to Scala with the fact that you can assign Lambda Expression to a Functional Interface. Printed black and white on 60# offset paper [most of the time, but pay attention to exceptions] from sustainable sources. We can't instantiate an interface in java. •Describes a set of methods that a class can be forced to implement. access modifiers Aggregation anonymous class Association clone Cloneable interface Composition constructor Default Default method encapsulation equals() method Extreme Programming Functional interface HAS-A information hiding inheritance Initialization inner class interface IS-A java java-8 JVM JVM Structure Lambda Method References object in. It is a class library for editing bytecodes in Java; it enables Java programs to define a new class at runtime and to modify a class file before the JVM loads it. interface is the code that is used to create an interface in java. println ("My first Java program"); } } Save the file as Example1. [JAVA] Practical examples of using interfaces? If it doesn't make sense to extend a super in order to give a subclass a specific behaviour via a method, is this when you would use an interface instead?. Some pages are still rough drafts, and I haven't been working on them for a long time. The name of the Java source file is MyFirstJavaClass. Java Program Execution The Java byte-code compiler translates a Java source file into machine-independent byte code. NESTED LOOPS IN JAVA Program Example By: Mohammad Nazrul Ishlam Patoary, PhD General Steps 1. Object-Oriented Programming Languages. But then your program ends and that's it! There hasn't been any real interaction with you while the program is running. Programming Tutorials. in that i make a project and then in that i made a package named 'nomad' and inside it i had these two classes. DirList example in java program using file handlin Directory of. In Java an interface is similar to an abstract class in that its members are not implemented. Thus, unlike Swing, which can be added to the JDK 1. This is a similar concept. 2, with minor corrections, November 2007) David J. 65 and; OpenJDK 1. n“Drag-and-drop” programming of GUIs nClean (pure JAVA) code generation nIntegrated debugger nReal time variable watches nSingle click breakpoints nPowerful templates nYou only need to write the “core” code n… and much much more.