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How to fix Java security risk on your computer?

How to fix Java security risk on your computer?

Welcome to a very uncommon cyber security article! Why is it unusual? The headline of this Security Message and most of its content was offered by Oracle, the manufacturer of the Java on-line terminology. In fact, ESET is posting this details on We Live Security at the demand of Oracle. And Oracle made the demand because it was requested to do so by the US Federation Trade Commission (FTC).

That’s right the US government can require a US company (in this case Oracle) to spread quite particular technological details to the public, if it is considered necessary to the cyber security of customers and the nation. While ESET was under no legal responsibility to adhere to Oracle’s demand, the decision was taken that doing so would help to increase cyber security for many customers. You can learn more about how this all came about in an individual content here.

java bulletin

The point of the present content is to make sure that all customers are aware of the need to remove mature editions of Java SE from their computer systems. Why? Because “holes” in those old editions cause a serious risk to the security and comfort of details saved or utilized by them. In terminology, those terminated editions of Java SE contain weaknesses that provide scammers with a plethora of possibilities to put their harmful program code onto your pc. If you are using a newer edition of Java you might think that you are not revealed but, as operate declaration from Oracle below describes, fitting newer editions did not always remove the mature editions. Simply, they could still be there, ready to be utilized by anyone who is ready to use viruses.

So, please study the following concept and, if appropriate, do as instructed that Oracle has offered for eliminating mature editions of Java. Remember that these are not ESET guidelines, they come from Oracle. If you experience any problems you should get in touch with Oracle, which is dedicated to assisting individuals eliminate old editions of Java SE. Also note that the remove device recommended in Oracle’s concept only works on Microsof company Microsoft windows

We’re delivering you this concept because you may have downloadable, set up, or modified Java SE software on your pc. The Govt Business Percentage, the nation’s customer protection organization, has charged us for making supposedly misleading security statements about Java SE. To stay the court action, we consented to get in touch with you with guidelines on how to protect the private details on your pc by eliminating mature editions of Java SE from your pc. Please take the recommended actions as soon as possible.

Here’s a conclusion of what the FTC court action is about. The FTC claimed that, in the past, when you set up or modified Java SE, it didn’t substitute the edition already on your pc. Instead, each edition set up side-by-side at the same time. Later, after we modified this, setting up or upgrading Java SE eliminated only the latest edition already on your pc. What’s more, in many cases, it didn’t eliminate any edition launched before Oct 2008. Java programming course is more than enough for you to make your profession in this field.

Why was that a problem? Previously editions of Java SE have serious security threats we fixed in later editions. When individuals downloadable a newest edition, we said they could keep Java SE on their pc protected by upgrading to the newest edition or by eliminating mature editions using the Add/Remove Program application in their Microsoft company windows program. But according to the FTC, that wasn’t adequate. Updating to the newest edition didn’t always eliminate mature editions. So many computer systems had several editions set up.

You can join the java classes in pune to make your profession in this field.

Checkout: Crb Reviews

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An overview of datastructures in Java

The data structures given by the Java system program are very powerful and perform variety of functions. These details elements include the following client customer interface and classes:

1. Enumeration
2. BitSet
3. Vector
4. Stack
5. Dictionary
6. Hashtable
7. Properties
The Enumeration:

The Enumeration client customer interface isn’t itself an understanding framework, but it is very essential within the viewpoint of other details elements. The Enumeration client customer interface explains a strategy to get better following elements from an understanding framework.

For example, Enumeration explains a technique known as next Element that is used to get the next look at an understanding framework that contains several elements. This heritage interface has been superceded by Iterator. Although not deprecated, Enumeration is regarded outdated for new rule. However, it is used by several techniques described by the heritage sessions such as Vector and Qualities, is used by several other API sessions, and is currently in extensive use in program rule.

To have more details about this client customer interface, analyze The Enumeration.

The BitSet

The BitSet classification uses several bits or banner ads that can be set and removed individually.

This classification is very useful in the case where you need to keep up with a set of Boolean values; you just spend a bit to each value and set or clear it as appropriate.

To have more details about this classification, analyze more about The BitSet.

The Vector

The Vector classification is identical to an ordinary Java variety, except that it can produce as necessary to assist new elements.

Similar to an array, elements of a Vector product may be used via a selection into the vector.

The amazing thing about using the Vector classification is that you no problem about developing it to a particular dimension upon creation; it cuts down on and produces immediately when necessary.

To have more details about this classification, analyze more about The Vector.

The Stack

The Collection classification uses a last-in-first-out (LIFO) assortment of elements.

You can think of a selection generally as a directly assortment of objects; when you add a new aspect, it gets placed on top of the others.

When you take an element off the gathering, it comes off the top. Simply, the last aspect you involved to the gathering is the first one to return off.

To have more details about this classification, analyze The Collection.

The Dictionary

The Terminology classification is a very subjective classification that explains an understanding framework for implementing tricks of concepts.

This is useful in the case where you want to be able to obtain availability details via a particular key rather than an integer selection.

Since the Language classification is very subjective, it provides only the framework for a key-mapped details framework rather than a particular performance.

To have more details about this classification, analyze The Language.

The Hashtable

The Hashtable classification provides a way of preparing data based upon on some user-defined key framework.

For example, in a cope with list hash table you could shop and kind details based upon on a key such as ZIP concept rather than on a person’s name.

The particular goal of key elements with regards to hash systems is very dependent on the make use of the hash table and the details it contains.

To have more details about this classification, analyze The Hashtable.

The Properties

Properties is a subclass of Hashtable. It is used to keep data concepts in which the key is a String and the value is also a Sting.

The Features classification is used by many other Java sessions. For example, it is the kind of product came returning by System.getProperties( ) when obtaining environmental concepts. To know more about this go through the data structure tutorial.

Read More : Java program structure

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Learn java programming | Short Introduction to Java

Learn java programming | Short Introduction to Java

If you are really interested to learn Java then you are at the right place because here in this article you will find an overview of Java basics over here. So here it is a provision for you for as a self guided version. There would be plenty of code examples as you move ahead with this article.

This first article presents the Java system and describes the distinction between its three editions: Java SE, Java EE, and Java ME. You’ll also learn about the part of the Java Virtual Machine (JVM) in implementing Java applications.

A general purpose and an object oriented language that looks a lot like C and C++ but is easier to use and allows you to create more programs.

A network-savvy language: TCP/IP network protocols like HTTP and FTP and it can be easily coped up with extensive network library of Java. And they can access the URLs in an easy way as if its is a normal file.

Java is a robust language: Java programs must work because they are used in both client and mission-critical programs, different from Blu-ray players to vehicle-navigation or air-control techniques. Language functions that help make Java effective statements, duplicate type confirming at compile time and play-back, real arrays with computerized extensive variety confirming, and the omission of pointers.

Java is a convenient language: Structure neutrality leads to mobility. However, there is more to Java’s mobility than platform-independent bytecode guidelines. Consider that integer type sizes must not differ. For example, the 32-bit integer type must always be finalized and take up 32 bits, regardless of where the 32-bit integer is prepared (e.g., a system with 16-bit signs up, a system with 32-bit signs up, or a system with 64-bit registers). Java’s collections also play a role to portability.

Java is a multithreaded language: To improve the efficiency of programs that must achieve several projects at once, it facilitates the idea of threaded efficiency. For example, a program that controls a Graphical User Interface (GUI) while patiently awaiting feedback from a system relationship uses another line to perform the delay instead of using the standard GUI line for both projects. This keeps the GUI responsive.

Java is a secure terminology: Java applications are used in networked/distributed surroundings. Because Java applications can move to and perform on a network’s various systems, it’s important to protect these systems from harmful code that might spread malware, grab bank card information, or perform other harmful functions. Java terminology functions that support sturdiness (like the omission of pointers) work with protection measures such as the Java sandbox protection model and public-key security.

Java is a high-performance language: Presentation results in a level of efficiency that is usually more than adequate. For very high-performance application circumstances Java uses just-in-time collection, which examines considered bytecode training series and gathers frequently considered training series to platform-specific guidelines. Following efforts to understand these bytecode training series result in the performance of equivalent platform-specific guidelines, leading to an efficiency boost.

Java is an object-oriented Programming (OOP’s): Java’s object-oriented concentrate allows developers work on adjusting it to resolve an issue, rather than pushing us to control the issue to meet terminology constraints. This is different from an organized language like C. For example, whereas it allows you concentrate on bank consideration objects, C requires you to think independently about bank consideration state (such a balance) and actions (such as deposit and withdrawal).

Sun fixed the submission issue by considering Java into three main versions. These gradually became known as Java SE, Java EE, and Java ME:

Java System, Standard Edition (Java SE) is the Java platform for creating client-side applications, which run on desktop computers, and applets, which run in internet explorer.

Java System, Enterprise Edition (Java EE) is the Java platform designed on top of Java SE, which is used specifically to build up enterprise-oriented server applications. Server-side applications include servlets, which are Java applications that are similar to applets but run on a server rather than a customer. Servlets adjust to the Java EE Servlet API.

Java System, Small Version (Java ME) is also designed on top of Java SE. It is the Java platform for creating MIDlets, which are Java applications that run on mobile information gadgets, and Xlets, which are Java applications that run on included gadgets. Join our Java training institute for better career in Java. Check our Java Reviews.

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Java gets Free IntelliJ IDEA Licenses

Being a Java Champ has its benefits, and thanks to the kindness of JetBrains, a no cost certificate for IntelliJ IDEA is now one of them. The Winners are the latest in the list of groups earning this special JetBrains top quality, which also includes approved 100 % free tasks, students, and instructors. The Java Winners is a group of community-nominated technology management that are selected under software subsidized by Oracle. To be awarded with a Java Winners, applicants must be technological luminaries who demonstrate management and influence in the Java ecosphere. They are often asked to give technological direction, reviews, and views to grow the Java System.

There are 191 Java Winners listed on Oracle’s Java Champ Bios site, technological diginitries that include the likes of Java factor Joshua Bloch, Spring project lead Juergen Hoeller, and InfoQ creator Floyd Marinescu. In 2015, 19 Java Winners were added to this method. In 2016, 14 have already been inducted.

IntelliJ IDEA has been enjoying increased business thanks to its impressive approach to modifying and development, and its release of the IntelliJ IDEA Group version, a no cost, feature-rich part of their leading “Ultimate Edition”.

JetBrains just declared an important security upgrade for all IntelliJ-based IDEs solving two vulnerabilities:

Web-server vulnerabilities: A CSRF defect in the the built-in webserver could offer an opponent connect to the local file system from a harmful web page.

Over-permissive CORS configurations could offer assailants accessibility internal API endpoints and get accessibility data stored by the IDE.

JavaPoly.js allows designers to transfer current Java rule and produce it from JavaScript. “It lastly allows Java to become a first-class resident by operating straight in the web browser’s program labels (and communicating straight with the DOM), instead of being limited to an applet sand pit,” according to the venture’s Web page. The consumer does not need to have Java set up on their computer.

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Efforts taken to License Java Software

Google’s past initiatives to certificate Java application appeared as a key point on the third day of a government test in which Oracle Corp. is blaming the Abc Inc. device of poorly using Java.

In 2006, Search engines and Java proprietor Sun Microsystems mentioned a $28 thousand, five-year deal for Search engines to use components of Java in its Android os mobile-operating program, according to records proven during a government test Wed. Oracle Corp., which purchased Sun truly, has charged Search engines for trademark violation in a situation that could modify the guidelines for application.

The speaks between Search engines and Sun were revealed this year during a young test of the situation. It is being retried in U.S. Region Judge in San Francisco following appeals-court rulings.

On Wed, Oracle’s lawyers said those discussions show Search engines professionals experienced they required a certificate but made the decision to threat developing Android os without one. Google’s lawyers countered that those discussions were about different areas of Java than what Search engines gradually used—and that Sun professionals didn’t believe Search engines required a certificate to use Java as it did.

Alphabet Chair Eric Schmidt, a former Sun professional, claimed Wed that he was willing to pay $30 thousand to $40 thousand to Sun for the five-year certificate, but the speaks dropped apart. The suggested 2006 contract would have put Sun’s logo in areas of Android os and would have involved more Java application in Android os than the program does nowadays.

Former Sun Primary Executive Jonathan Schwartz claimed that Sun desired to connect its Java product to Android os, which is now the world’s most favored mobile-operating program. But Mr. Schwartz said Search engines brought out of discussions because of “a mixture of money and technological dependancy.…Google didn’t want to depend, as best as I understand, on anyone else.”

Andy Rubin, the former head of Android os at Search engines, claimed that Sun had bookings about Google’s plan to give Android os to phone creators for free. “I think it was a difficult thing we were asking them to do.”

In a 2007 short article, Mr. Schwartz provided Search engines “heartfelt congratulations” for releasing Android operating system, despite the point that it had never properly secured a certificate for Java. Mr. Schwartz claimed he never informed anyone at Search engines that it had used Java poorly.

Oracle lawyers, however, pounced on inner Sun e-mails to demonstrate Mr. Schwartz was disappointed about Google’s use of Java. Around plenty of duration of the short article, Mr. Schwartz had written in an enclosed e-mail about Google’s Android operating system strategy: “I have no hint what they’re up to. My feeling is they’re enjoying quick and reduce with certification conditions.”

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Java Metering by Dropwizard Metrics

We saw how we can do the relaxing Java Metering using Shirt occasion audience in one of our previously content.

Here we are going to see how to use Dropwizard Analytics structure to do the metering of our relaxing source techniques. Dropwizard Analytics is using Shirt activities audience internal to accomplish this. They have offered awesome wrapper and plenty of plug-in to collect the efficiency of each source techniques without much attempt.

There are 3 actions engaged in-order to accomplish this.

Analytics reliance in Expert pom
Sign-up ‘MetricRegistry’ and ‘ConsoleReporter’ in our source configuration
Offer @Timed or @Metered annotation for source methods

Since we are going to use Analytics structure within Shirt (restful Java) structure, the second reliance is needed. If your relax support execution is NOT using Shirt structure, then you can neglect the ‘metrics-jersey2’ reliance. This will bring the essential collections in our program after the synchronize function.

Register ‘MetricRegistry’ and ‘ConsoleReporter’:

Both MetricRegistry and ConsoleReporter implementations are arriving from Analytics structure. They actually deliver the chance to catch the efficiency of our source techniques and release the aggregated lead to system as a study.

public class RestSkolApplication extends ResourceConfig {
private static final Logger logger = LogManager.getLogger(RestSkolApplication.class);
private Set<Class<?>> classes = new HashSet<Class<?>>();
public RestSkolApplication() {
initializeApplication();
}
private void initializeApplication() {
registerListeners(); // Register listeners
}
private void registerListeners() {
final MetricRegistry metricRegistry = new MetricRegistry();
register(new InstrumentedResourceMethodApplicationListener(metricRegistry));
ConsoleReporter.forRegistry(metricRegistry)
.convertRatesTo(TimeUnit.SECONDS)
.convertDurationsTo(TimeUnit.MILLISECONDS)
.build()
.start(1, TimeUnit.MINUTES);
logger.info(“Console reporter is enabled successfully!”);
}
}

The system review will review the efficiency metrics for every moment. This period can be configurable. So modify the period centered on your need.

@Timed or @Metered annotation:

The last phase is to add either @Timed or @Metered annotation in the REST source techniques like below:

@Path(“books”)
public class BookResource {
@GET
@Produces(MediaType.APPLICATION_JSON)
@Timed
public Response getAllBooks() {
System.out.println(“Get all books resource is called”);
final List<Book> books = BookDataStore.getInstance().getBooks();
return Response.ok()
.entity(books)
.build();
}
@Path(“{id}”)
@GET
@Produces(MediaType.APPLICATION_JSON)
@Timed
public Response getBook(@PathParam(“id”) String id) {
final Book book = BookDataStore.getInstance().getBook(id);
return Response.ok() // (Response code)
.entity(book) // (response value)
.build();
}
}

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Do I need to learn Java for Hadoop?

People regularly ask me if it’s necessary to have Java development abilities in order to type in the interesting world of Hadoop. When I begin to describe, I’m often met with a frustration and a feeling of restriction upon studying that Java and Hadoop do, in fact, go hand-in-hand. Let me start by saying that the response to the query “Do I need to know Java to understand Hadoop?” is not a easy one. But I digress; the long run of Hadoop is shiny, and moving ahead, no specifications should be seen as restrictions or hurdles, but rather as ways to enhance your abilities and become more professional in your work. As you make your way through this, Hopefully I will be able to describe your issues, and help get you on your way to quality within Hadoop.

To get to the base of this query it’s necessary to look into the record of Hadoop. Hadoop is Apache’s open-source platform; designed to shop and procedure loads of information (orders of petabytes). It happens to be designed in Java. (Personally, I see the terminology choice as merely random.) Hadoop was initially designed as a subproject of “Nutch” (an open-source search engine). It was later designed and would go on to become Apache’s most important venture. At the time this was all occurring, the Hadoop designer group was more relaxed with Java than any other terminology.

Let’s proceed to must program

Hadoop resolves large information systems difficulties through the mature idea of allocated similar handling, but techniques it in a new way. Hadoop provides a structure to build up allocated programs, rather than fix every problem. It requires away areas (such as device problems, allocated procedure control etc.) of saving and handling the information in a allocated atmosphere because they build the primary components: HDFS and MapReduce, respectively.

HDFS is an allocated data file program that controls information storage space. It shops any given computer data file by breaking it into set dimension models known as “blocks.” Each prevent is saved on any device in the group. It provides high accessibility and mistake patience through duplication (think of it as duplication) of these prevents on different devices on the group. Regardless of all these complications, it provides a easy data file program abstraction so that the consumer need not worry about how it shops and operates.

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Performance of Java vs C explained over here

Java is the formal development language of Android operating system and it is the foundation for many elements of the OS itself, plus it is found at the main of Android’s SDK. Java has a couple of exciting qualities that make it different to other development ‘languages’ like C.

First of all Java doesn’t (generally) gather to local device system code. Instead it gathers to medium difficulty terminology known as Java bytecode, the training set of the Java Virtual Machine (JVM). When the app is run on Android operating system it is implemented via the JVM which consequently operates the system code on the local CPU (ARM, MIPS, Intel).

Secondly, Java uses computerized storage control and as such utilizes a Garbage Collection (GC). The idea is that developers don’t need to bother with which storage needs to be released as the JVM will keep a record of what is required and once a area of storage is no longer being used the rubbish enthusiast will 100 % free it. The key advantage is enterprise run time storage leaking.

The C development terminology is the complete reverse to Java in these two aspects. First, C system code is collected to local device system code and doesn’t require the use of an online device for presentation. Second, it uses guide storage control and doesn’t have a rubbish enthusiast. In C, the developer is required to keep a record of the things that have been assigned and 100 % free them as and when necessary.

There are other variations between the two ‘languages’, however they have less of a positive change of the specific stages of efficiency. For example, Java is a product focused language, C is not. C is intensely dependent on suggestion mathematics, Java does not. And so on.

Performance

So while there are philosophical style variations between Java and C, there are also efficiency variations. The use of an online device contributes an additional part to Java that isn’t required for C. Although using an online device has its benefits such as high mobility (i.e. the same Java based Android operating system app can run on ARM and Apple gadgets without modification), Java system code operates more slowly than C system code because it has to go through the additional presentation level. There are technological innovation which have decreased this expense to the barest lowest (and we will look at those in a moment), however since Java applications aren’t collected to the local device system code of a device’s CPU then they will always be more slowly.

The other big aspect is the garbage collection. The problem is that rubbish selection needs time, plus it can run whenever you want. This means that a Java system which makes lots of short-term things (note that some types of Sequence functions can be bad for this) will often induce the rubbish enthusiast, which consequently will reduce the system

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Java’s risk got fixed within in one and a half year

In July 2013, protection company Security Research found a security risk in Java 7u25 by which an enemy could completely evade the Java sand pit. Oracle launched a spot in upgrade 7u40, but as Security Research declared a few months ago, the spot only resolved the evidence of idea, and a simple rule adjustment still reveals the risk. Moreover, following research has exposed that the weeknesses is even more serious than originally exposed. After the problem became public, Oracle launched a spot as part of 8u77.

The risk can be seen in the new representation collection, available since Java 7, and more specifically in the new MethodHandle classification used for dynamically obtaining and invoking methods. It is related to the way sessions packed by different ClassLoaders are handled. Understanding of the problem needs some basic knowledge ofthe way Java ClassLoaders work; since classification running is one of the least recognized elements of Java, we will start working on give an intro to this idea prior to describing the problem itself.

Java ClassLoaders

Java has the capacity to fill rule dynamically at playback from a variety of resources. The actual through a special type of sessions called ClassLoaders. A standard Java execution might offer several ClassLoaders to fill sessions from data system, a URL, or a zipped computer file, among others, but also provides designers the capability to create their own customized ClassLoaders to handle customized specifications. The regular way to have interaction with a ClassLoader is by contacting its loadClass(String) method, which will agree to the name of a classification, and either return the associated Class item if found, or toss a ClassNotFoundException otherwise. Every classification in a Java application is packed this way by one ClassLoader or another.

Different ClassLoaders can be linked to each other to form a structure by giving a father or mother ClassLoader. If no mother or father is allocated, parents ClassLoader is late to the one that packed this particular ClassLoader (ClassLoaders are sessions themselves, and therefore need to be packed by some ClassLoader). When a father or mother ClassLoader is present, the standard behavior of a ClassLoader is to try to assign the running of the asked for classification to its parent; only if parents (or some grandparent) cannot fill the course, will this ClassLoader attempt to fill the asked for classification itself. However, makers of customized loaders are not required to apply this standard behavior, and they could choose to apply a different one.

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A big flaw found in Java Annotations

Annotations were presented in Java 6 in 2006, and we all got thrilled. Such a great device to create rule shorter! No more Hibernate/Spring XML settings files! Just annotations, right there in the rule where we need them. No more marking connections, just a runtime-retained reflection-discoverable annotation! I was thrilled too. Moreover, I’ve created few free collections which use annotations intensely. Take jcabi-aspects, for example. However, I’m not thrilled any more. Moreover, I believe that annotations are a big error in Java style.

Long tale brief, there is one big issue with annotations — they motivate us to apply item performance outside of a product, which is against the very concept of encapsulation. The item is not strong any more, since its actions is not described entirely by its own techniques — some of its performance remains elsewhere.

java annotations

The category Guides has no concept how and who will provide a clear case of category DB into it. This will occur under the surface and outside of its management. The hypodermic injection will do it. It may look practical, but this mind-set causes a lot of harm to the whole rule platform. The management is missing (not upside down, but lost!). The item is not in cost any more. It can’t be careful for what’s occurring to it.

This content describes why Reliance Injection packing containers are a incorrect concept in the first place: Reliance Injection Containers are Code Polluters. Annotations generally cause us to create the packing containers and use them. We shift performance outside of our things and put it into packing containers, or somewhere else. That’s because we don’t want to copy the same rule over and over again, right? That’s appropriate, replication is bad, but ripping a product apart is a whole lot more intense. Way more intense. The same holds real about ORM (JPA/Hibernate), where annotations are being definitely used. Examine this informative content, it describes what is incorrect about ORM: ORM Is an Unpleasant Anti-Pattern. Annotations by themselves are not the key inspiration, but they help us and motivate us by ripping things apart and maintaining areas somewhere else. They are packing containers, classes, supervisors, remotes, etc.

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