try catch java openclassroom

catch multiple types of exception in c#. In this article, you learned about the conditional logic construct - the PowerShell If-Else construct. Java try block is used to enclose the code that might throw an exception. But this exception i.e, Instance must be of type Throwable or a subclass of Throwable.For example Exception is a sub-class of Throwable and user defined exceptions typically extend Exception class.Unlike C++, data types such as int, char, floats or non-throwable classes cannot be used as exceptions. Netty est une infrastructure client-serveur d'entrée/sorte non bloquante (ou NIO, pour « Non-Blocking I/O ») permettant de développer des applications Java pour le réseau, telles . The exception will then be considered checked. Get the most out of this course Declare variables and modify their values Store your data with data types Define objects and their attributes with classes Manage complexity with the right collection Part 1 summary Quiz: Check what you've learned about data and data types! <> Modifying and testing on your own would help you understand the logic further. Now imagine that we repeat this exception many times in our code. Trouvé à l'intérieurCet ouvrage est destiné aux étudiants débutants en langage C, mais ayant déjà quelques notions de programmation acquises par la pratique, même sommaire, d'un autre langage. That's usually (but not always) more convenient. Exception handling in Python is very similar to Java. That's usually (but not always) more convenient. �=? I am using a framework: vaadin, I have a NodeSet data; and I use it like that: data.toXMLString(); I get all the XML so no problem with this. Module technique suivant: java-servl (Java servlets) Module technique suppl. To access the org.json package, we need to add the dependency in our pom.xml file. But this exception i.e, Instance must be of type Throwable or a subclass of Throwable.For example Exception is a sub-class of Throwable and user defined exceptions typically extend Exception class.Unlike C++, data types such as int, char, floats or non-throwable classes cannot be used as exceptions. React.js and Spring Data REST. stream Thus the statement that divides the two numbers raises an Arithmetic exception. Using the If-Else statement allows scripters to . SAP BODS Tutorial. c# catch multiple exception types. Langage Java > try catch Liste des forums; Rechercher dans le forum. Customized Exception Handling : Java exception handling is managed via five keywords: try, catch, throw, throws, and finally. endstream SAP BO Data Services (BODS) is an ETL tool used for data integration, data quality, data profiling and data processing. The java.util.Scanner.nextInt() method Scans the next token of the input as an int.An invocation of this method of the form nextInt() behaves in exactly the same way as the invocation nextInt(radix), where radix is the default radix of this scanner.. Java Math. "Conçu à l'origine comme le langage des systèmes d'exploitation UNIX, le langage C s'est répandu bien au-delà de cette fonction et continue largement à se développer. public abstract class Buffer extends Object. <> And we can use a regular try..catch instead of .catch. Math Explained. Next Page . It must be used within the method. La 4ème de couverture indique : "Le C# (Prononcez « Cé charpe » à la française ou « ci charpe » à l'anglaise) est le langage de programmation phare de Microsoft, utilisé par un nombre important et grandissant de professionnels. Cet ouvrage est une introduction à l'algorithmique et à la programmation impérative et orientée objets. Welcome to Flask¶. A container for data of a specific primitive type. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 405] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> This class provides a static method XML.toJSONObject to convert XML to JSON Array. Collections in Java. 3 0 obj x����N�0�a���1q2F$#� J@�q���ʙ��t��6y�{xӮ��V ��6 4��`?��v��R�Y]��_��� Unlike in Java, a function that can return an exception doesn’t need the throws keyword in its signature. Java ouvre des horizons nouveaux en offrant les abstractions nécessaires an développement rapide d'applications Internet. Trouvé à l'intérieur – Page iPourquoi les adultes seraient-ils seuls à s'amuser ? Python pour les kids est ton ticket d'entrée dans le monde merveilleux de la programmation. L'ouvrage présente les problèmes ouverts, qui placent les élèves dans une position de chercheur, ainsi que d'autres pratiques parallèles, et propose des exemples d'utilisation, des rapports d'expérimentations, des énoncés et des ... jQuery. 82. An uploaded file can be a text file or a binary or an image file or just any document. // Our serializable object Employee employee = new . It was originally called Oak by James Goslin. For further API reference and developer documentation, see Java SE Documentation. Consider the following codes that catch Exception. Nested Try-Catch in Java . Here is an example using  try / catch  as an expression with our previous   subtractNumber()  method: Here we declared the result variable, and initialized it using a  try / catch expression. The Java.io.RandomAccessFile class file behaves like a large array of bytes stored in the file system.Instances of this class support both reading and writing to a random access file.. Class declaration. We placed our exception trigger in a separate function:  fail, which we called just after the Elvis operator. You certainly will need to refer to the syntactic structure of Cool, found in Figure 1 of The Cool Henry Ford a continué à avancer sans se soucier des critiques, à affronter tous les obstacles afin de réaliser sa vision, sa mission, ses rêves. Toute personne aspirant à être entrepreneur se doit de lire ce livre. Is there way to catch multiple exceptions . The NetBeans Platform is a solid infrastructure for geospatial systems. It provides a docking framework with full screen mode, an application frame within which a map can be placed, and a loosely coupled module system for the organization of code into feature-oriented interdependent plugins. NullPointerException is a subclass of RuntimeException class. cedricbon_ 31 décembre 2014 à 11:36:35. Java - toString() Method. Du cahier des charges au code, ce livre vous offrira les meilleures pratiques de modélisation avec UML 2 sous la forme d'une étude de cas complète. In programming, copy/paste is for newbies! Maintenant que nous avons vu cela, nous pouvons aller un peu plus loin dans la gestion de nos exceptions. This opens up some interesting possibilities. If you're asking about final classes, p. C'est vrai que ça pourrait être mieux (tout comme ton post d'ailleurs...). try { Console.Write("Entrez un nombre : "); int n = int.Parse(Console.ReadLine()); Console.WriteLine( "100/nombre = {0}", 100/n); } catch (DivideByZeroException dbzEx . In Kotlin, you don’t need this keyword! More than three years later, Albertine's successive searches tell a story--not just her own, but also the story of the Web." - Après le succès de L'Apprentissage du bonheur, un irrésistible condensé de sagesse. Les étudiants de Tal Ben-Shahar en rêvaient depuis dix ans : voici enfin le cahier d'exercices tiré des cours de leur professeur préféré ! That's usually (but not always) more convenient. In this article, we will discuss Spring 4.3. introduced HTTP method specific shortcut variants of @RequestMapping are @GetMapping, @PostMapping, @PutMapping, @DeleteMapping and @PatchMapping annotations with sample code examples. However, if you handle it, you can intercept the error and perform a specific action. Kotlin just can’t get enough of expressions, can it? stream If all goes well with the try, the result variable will contain the result of the subtractNumber() function. He was one of the inventors of Java. If not, it means that the exception was triggered, and we move on to the catch, which will return  0. Finally Block in Java & Why is it needed! Math.max (x,y) - return the highest value of x and y Math.min (x,y) - return the lowest value of x and y Math.sqrt (x) - return the square root of x Math.abs (x) - return the absolute (positive) value of x Math.random () - return a random number between 0 and 1. A JSP can be used with an HTML form tag to allow users to upload files to the server. Solution But at the top level of the code, when we're outside any async function, we're syntactically unable to use await , so it's a normal practice to add .then/catch to handle the final . Le manuel indispensable à tout étudiant en informatique (IUT, écoles spécialisées, écoles d'ingénieurs) sur la programmation orientée objet ! SonarLint catches issues right in your IDE while SonarQube analyzes pull requests and branches. Sur le processus du cheminement amoureux, par le biais du bris de cette relation et de la séparation en amour. Les diverses étapes sont passées en revue, accompagnées de conseils. In Kotlin, try, catch, and throw are expressions, and can return a value. �?�?�\��ᇩR!�##0����$��J�#�*�����Lr����� x���9�&�t��_����3�3�+��n?�?��0�3ɩ���N��#�?���������A��L��h��3�3�E��_���j ���L����'�3�3�E2�_���&�ut�?���&�H�w����������������������$��|�{�?�?�_�7��o�Ÿ�t���3�����>���{�?�?��:b��1�����G��� generator (the C++ tool is called bison; the Java tool is called CUP) and a package for manipulating trees. In the last lesson we have already seen what is a Java exception. We’ve concocted an interactive end-of-the-chapter exercise that lets you apply everything you’ve learned. Trouvé à l'intérieurCe traité propose une synthèse des savoirs de référence dans le domaine de la e-Formation des adultes grâce à la contribution d'une quinzaine de chercheurs reconnus dans leur spécialité scientifique. Java vous permet d'utiliser une clause via le mot clé finally. /** * You can edit, run, and share this code. Nouvelles. Roman fantastique Tutorial. Programmation réseau en java support numéro 1 sockets programmation réseau en java 1. introduction le langage java a été conçu par sun, une société dont l'activité est fortem !") } Classes and class members can have the same modifiers (public, protected, private, static, etc) as in Java with some minor differences at the source . Table de matières détaillée Briefly, here is how they work. What’s with this  ? Free YouTube Video . stream endobj Réédition. Volume publié en 1964 dans la même collection. The process of passing the data serialization and deserialization of the data types is done automatically. We now turn to mechanisms for handling exceptions. You will also be able to keep track of your course progress, practice on exercises, and chat with other members. The output of your parser will be an abstract syntax tree (AST). x��|SU��o�ܤ�M��{�i-�Iq+���}'��EŁ2��Yp��:����2���?����~~�|��ޛ������yι�6���mlc���6���mlc���6��n���Hڔ*��{E)��G&��KI�-(��y1��؞[\�|uS_�\���eE����q:�\��w�O�q�c�̽qI�����/db�r�/ț�,i�I��n�����h���~��~����goo?f�mYp])��f�1�9�:������ն�jcb�l+�K_�������j5T�x� �n��_c�?�*������:����`����AGY�]�)�� `7��J�_�+���^4��l����.�mw����h�e ��ƣ�& A resource is as an object that must be closed after the program is finished with it. Syntax: throw Instance Example: throw new ArithmeticException("/ by zero");. x���[K1�����&��Dж������Pd-�^���|'�b�Vqv�09����ao�:������a��R0hʗm�Ȁ7^)�w`.��q�ə@M�;R\H��@����RTG2�+���#FC���Iu|�`�Zv�Rܨ�T;��>y z�b{:��džs}�S)�R���k�)��o��s�~�� � bG� Having dealt with the nuances of working with API in Python, we can create a step-by-step guide: 1. 85. But at the top level of the code, when we're outside any async function, we're syntactically unable to use await , so it's a normal practice to add .then/catch to handle the final . The Exception class in Java . Here, for example, we are writing code to specify that an exception be thrown if the user password is equal to null. Description. It’s up to you to choose, on a case-by-case basis, whether or not to handle the exception in your code. We have a catch block that defines a handler for Arithmetic exception. This section describes the try -with-resources statement, which is a try statement that declares one or more resources. In your command prompt, run the following command: In your terminal, run the following command: Command prompt. This looks the same as it would for any other file output. In Kotlin,  try,  catch, and throw  are expressions, and can return a value. c# catch multiple exception. This type is also returned by the TODO() function, which you can use to remind yourself to develop a part of your code later. x���1  �Om � �w � Unlike in Java, a function that can return an exception doesn't need the throws keyword in its signature.. The core language; 1 Basics; 2 Data types; 3 Functions as values; 4 Records and variants; 5 Imperative features; 6 Exceptions; 7 Lazy expressions; 8 Symbolic processing of expressions; 9 Pretty-printing; 10 Printf formats; 11 Standalone OCaml programs; This part of the manual is a tutorial introduction to the OCaml language. The combination forms a continuous code quality analysis solution that keeps your codebase clean. 2 0 obj They may have methods, fields and properties (think JavaBeans properties but with less boilerplate). Handling Specific Exceptions in Java . 7 0 obj Free online content available in this course. databaseName is the name of the database to connect to. Une question ? =)�����Y�0�ϋ���VY̦Y2������z�q^>��6 ���^.f�����[竂�n:_mw��: �SU����y��'_��8�6���t� `���}�]ٰK��c��e���q�����芋#����6 W��6x4 ��|4��� Presumably you are asking about final variables (including fields, local variables, method parameters, etc.). A good familiarity with programming in a conventional languages (say . BO Data Services consists of a UI development interface, metadata repository, data connectivity to source . :) is used to define an alternative action if the previous expression is equal to null. Java Exceptions •When we encounter a try -Mark current location in the stack •When we throw an exception -Unwind the stack to the first try -Execute corresponding catch •More complex techniques reduce the cost of try and throw Description. Free YouTube Video . You will construct this AST using semantic actions of the parser generator. Only Premium members can download videos from our courses. Avant de voir comment créer nos propres exceptions, sachez que le bloc permettant de capturer ces dernières offre une fonctionnalité importante. Java - Les bases - 1. 10 0 obj But Kotlin will never force your hand. In Java, a separate framework named the "Collection Framework" has been defined in JDK 1.2 which holds all the collection classes and interface in it. Theory is great, but practice is even better! Java Null Pointer Exception Processing. When the exception is not handled, the program will crash. The IDL attribute complete must return true if any of the following . Vous n'avez pas les droits suffisant pour supprimer ce sujet . Perhaps you’ve noticed: in Kotlin,  try / catch and  throw are expressions! jQuery greatly simplifies JavaScript programming. endobj ; attribute=value represents an optional, semicolon-separated list of attributes. In this chapter, we will discuss File Uploading in JSP. The try -with-resources statement ensures that each resource is closed at the end of the statement. Please use a modern web browser with JavaScript enabled to visit OpenClassrooms.com. try catch messagebox on login c#; try catch messagebox c#; . Direct Known Subclasses: ByteBuffer, CharBuffer, DoubleBuffer, FloatBuffer, IntBuffer, LongBuffer, ShortBuffer. If you get stuck, check out the full solution below the exercise. Following is the declaration for java.util.Scanner.nextInt() method. Il vous inculquera les valeurs d'un artisan du logiciel et fera de vous un meilleur programmeur. Coder proprement est décomposé en trois parties. 83. Program statements that you think can raise exceptions are contained within a try block. The architecture of Swing is designed so that you may change the "look and feel" (L&F) of your application's GUI (see A Swing Architecture Overview). many exceptions in one if statement c#. The try-with-resources statement is a try statement that declares one or more resources. Return the length (number of elements) of the given list. Groovy classes are very similar to Java classes, and are compatible with Java ones at JVM level. Ce livre met l'accent sur les implémentations TCP/IP de BSD, de System V, de Linux et Solaris. TCP/IP - Administration de réseau aborde tout d'abord les notions fondamentales : les protocoles et services TCP/IP. This tutorial shows a collection of apps that use Spring Data REST and its powerful backend functionality, combined with React's sophisticated features to build an easy-to-understand UI. In the previous tutorial, you created an MVC application that stores and displays data using the Entity Framework (EF) 6 and SQL Server LocalDB.In this tutorial, you review and customize the create, read, update, delete (CRUD) code that the MVC scaffolding automatically creates for you in controllers and views. For the majority of us, learning asynchronous programming looks pretty much like this If your first time working with async wasn't like this, please consider yourself a If you have more than one AJAX task in a website, you should create one function for executing the XMLHttpRequest object, and one callback function for each AJAX task. Advertisements. Vous pouvez rédiger votre message en Markdown ou en HTML uniquement. While in Java exceptions are caught by catch clauses, in Python we have statements introduced by an "except" keyword. It's possible to create "custom-made" exceptions: With the raise . The code, which harbours the risk of an exception, is embedded in a try block. Java ; int to string java; java strin to int; convert a string to int in java; That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples. 6.2.4 Try-Catch 128 6.2.5 Rethrow 129 6.2.6 Switch 129 6.2.7 Assert 131 6.2.8 Return 133 6.2.9 Yield and Yield-Each 134 6.2.10 Labels 136 6.2.11 Break and Continue 136 6.3 Summary 137 Chapter 7 Re ection 139 7.1 Introspection 139 En fait, vous avez sans doute compris que lorsqu'une ligne de code lève une exception, l'instruction dans le bloc try est interrompue et le programme se rend dans le bloc catch correspondant à l'exception levée. The rest of the docs describe each component of Flask in detail, with a full reference in . endstream If an exception occurs at the particular statement in the try block, the rest of the block code will not execute. <> We do not need a try-catch to compile the codes. exception c# openclassroom; Html.TextArea() in Razor View; windows forms webbrowser refresh; c# draggable controls; validate preview input number wpf; . https://api.next.tech/api/v1/publishable_key/2A9CAA3419124E3E8C3F5AFCE5306292?content_id=193013ce-845c-4bbf-a98b-5832484b2d85. This is Recipe 3.5, " Scala: How to use break and continue in for loops (and while loops)" Problem. Java is one of the most popular programming languages because it is used in various tech fields like app development, web development, client-server applications, etc. Unlike other languages like Java Programming Language and C++, Python does not have a switch-case construct. java.nio.Buffer. In Java, we declare it as CHANNEL. The divisor is zero. Je dois convertir un fichier PDF (page PDF) en fichier bitmap (ou fichier image) sous Android. Cela est surtout utilisé lorsque vous devez vous assurer d'avoir fermé un fichier, clos votre connexion à une base de données ou un socket (une connexion réseau). Mais il utilise des classes Java qui ne sont pas sockets en charge dans Android. To define a method that can return an exception in Java, you must use the keyword throws, followed by the class of the exception that can be returned. 8 0 obj java.nio.Buffer. In order to start working with most APIs - you must register and get an API key. 2. %���� Free YouTube Video . Syntax: throw Instance Example: throw new ArithmeticException("/ by zero");. Wouldn’t it be to our advantage to define a function whose job it would be to trigger this exception? My code is import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import j. In this Spring MVC CRUD Example, we will be building a simple web-based Spring MVC Application (Employee management) which has the ability to perform CRUD Operations using Spring JdbcTemplate.Our Employee management application will have abilities to create a new employee, update the existing employee, get a particular employee/ all employee and finally delete the existing employee. stream In order to save a serializable object out to a file, we first need to do our file output setup. Here in the try block, we define a division operation. The dotnet watch run command will build and start the app, and then rebuild and restart the app whenever you make code changes. The java. <dependency>. You'll spend less time reviewing code issues and more time on code logic and solving interesting problems! Welcome to Flask's documentation. �|�hE����Z����/*Z�{qmK�ȫ�\\t$�V�SOL����͕퍕�MLL���]�U�}����� �R�����w�l[�RT��h�&�>i�6$��Z�y.��������d�����J�R Paru dans les années 1950, cet ouvrage démonte les messages, les mécanismes et les injonctions faites au public à travers une analyse rigoureuse des affiches publicitaires, pages de journaux, slogans, tracts, etc. de l'époque. Since this function returns nothing, if not an exception, its return type will be  Nothing. It should be noted that the properties of the  User class can all hold a null value. Tu peux trouver d'autres tutos sur le net : http://www.tutorialspoint.com/java/java_exceptions.htm, http://www.javatpoint.com/try-catch-block, http://www.jmdoudoux.fr/java/dej/chap-exceptions.htm#exceptions-1, http://www.commentcamarche.net/contents/554-java-les-exceptions. It works on multiple operating systems like Windows, Mac, and Linus. Using a Callback Function. Pas de panique, on va vous aider ! Java is portable and can run on various platforms, including Linux, Windows, and Mac. Get your program started with the main function Select the proper condition to control your program flow Use the right loop . : operator? An API Key is (usually) a unique string of letters and numbers. It is typically omitted. A container for data of a specific primitive type. Ah, exceptions! jQuery is a JavaScript Library. Today, we will study How to implement Python Switch Case Statement.. <> L'aspect pratique est privilégié tout au long de ce livre, les auteurs ayant écrit cet ouvrage en se basant sur leurs nombreuses années d'expérience dans le développement de solutions PostgreSQL. c# multi exception catch. dotnet watch run. <> public class RandomAccessFile extends Object implements DataOutput, DataInput, Closeable Elle vous donnera une compréhension profonde du langage java, en exposant les intentions de ses créateurs, leurs choix de conception et l'application du langage aux problèmes de développements courants. 81. Master "Expert en Ingénierie Informatique" | || typeof (ArgumentNullException) with or clause. 5 0 obj However, you can watch them online for free. It's important to note that Flutter and Java have different data types. However, we can use the org.json.XML class in Java to convert the XML to JSON. <> Vous utilisez un navigateur obsolète, veuillez le mettre à jour. Java is an object-oriented programming language developed by Sun Microsystems of the USA in 1991. %PDF-1.5 public abstract class Buffer extends Object. Introduction. The one on the left does not check the exception, while the one on the right does. jQuery is easy to learn. try catch java. In the above example, we created a function named subtractNumber() whose purpose is to subtract one variable from another. An alias for the type of lists. You are getting null values for your Location object because you are initializing an object every time the Button is clicked, and getting the values of that object.When a Location object is created, it has no properties, unless you set them using location.setLatitude() or location.setLongitude().To solve your problem, just remove the lines: Location location = new Location(""); lng = location . )9��qᄂ�D�$<5�|��)ӧ�}�j鞭8" Q+зf�%�›�K�N�>w¢©o�f�����6�h��©�ɝ�4s줤�S�a4@+�S�TA*5�?� �?�wQ���l�~�-9q�1�`���Lќ����1F.2������{�|Q�T���)���)!5�{���d���{l�ڊ���:he�����Y�$g�㉅�C�)�cx�V��ej��I~1�3y��vWb g��Ǐ��_�I\}���@{>2���x��V�D*�Fe��Q�٤4�$�FM�9��o���w���ہ@��2_��L.�ߔ��7~~q�o���M�c]� !�IKw�V4�j[l��ߺ2�V��s�T!QJ%׋� �?��b�gr�F�}���U�E�W ~~�Q �G4�oY��x��\E_W���2��[�*qP`Z2�zSv. Declaration. 84. In this example, because both fields are defined as var fields, they're also mutable, meaning they can be changed. If an exception occurs within the try block, it is thrown. Buffer (Java Platform SE 7 ) java.lang.Object. J'ai essayé le pot d'Itext qui convertit l'image en pdf (j'ai besoin de son opération inverse) Comme ça j'ai essayé […] endstream Partage. The web browser you are using is out of date, please upgrade. Now let's demonstrate a try-catch block in Java. function imgLoaded(imgElement) { return imgElement.complete && imgElement.naturalHeight !== 0; } From the spec for the complete attribute:. Since 4.05.0. Otherwise, the communication will fail. The Elvis operator (? Summary. Objectifs • Notions de Java de base • (pas de "comment insérer un applet dans un page html" !) These statements together constitute the main pillars of Java' exception handling mechanism. Code placed in a try block will run until it executes properly, giving the program multiple opportunities to work correctly. The try-with-resources statement ensures that each resource is closed at the end of the statement.Any object that implements java.lang.AutoCloseable, which includes all objects which implement java.io.Closeable, can be used . Make friend with him on Facebook and watch his Java videos you YouTube. These are the top rated real world PHP examples of uniqid extracted from open source projects. 1.Pdfbox utilisé Apache. endobj Based on my understanding of the W3C HTML Specification for the img element, you should be able to do this using a combination of the complete and naturalHeight attributes, like so:. 9 0 obj If the first variable a is ever smaller than the second variable  b, we return an exception. In this article. Get an API key. endobj Veuillez utiliser un navigateur internet moderne avec JavaScript activé pour naviguer sur OpenClassrooms.com. These attributes enable you to instruct Java DB to perform various tasks, including the following: This is an excerpt from the Scala Cookbook (partially modified for the internet). �),�i-qo1{�L�MF����c���/�ښ�rT����Ԙb�L5�X�{U'�Ѹ��� �G�w���D�'oᒟœ �#� ȅR�zL���T��_���0)a��YFB���X��a����M�][�F0��d�]�z�,��'ذvw�+�/3�D�����֯�h E�`�Y%ۚ}@}�) endobj In Kotlin, an exception is handled the same way as in Java, using the keywords try and catch.. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more. Learning Java is highly recommended for software developers who want to add to their development skills. Add the following code into the pom.xml file of the maven project. Swing's architecture enables multiple L&Fs by separating every component into two distinct classes: a JComponent subclass . Bruce Eckel, the best-selling author of Thinking in Java, pointed out the limitations of checked exceptions in Java: Examination of small programs leads to the conclusion that requiring exception specifications could both enhance developer productivity and enhance code quality, but experience with large software projects suggests a different result—decreased productivity and little or no increase in code quality. Now that you have an understanding of how to create a serializable object, let's look at how to save these out and load them back in. subsubprotocol specifies where Java DB should search for the database, either in a directory, in memory, in a class path, or in a JAR file.