what is the difference between @component and @repository?
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The difference between them is, @component is used to annotate compound classes, @Repository is a marker for automatic exception translation in the persistence layer, for service layer we need to use @service. You can refer Spring Documentation to know more.
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mvn:install copies your packaged Maven module to your local repository (by default, in ~/. m2/repository ), to be accessed by other local Maven builds. mvn:deploy uploads your packaged Maven module to another (usually remote) repository, to be accessed by other, not necessarily local, Maven builds.
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@Component and @ComponentScan are for different purposes. @Component indicates that a class might be a candidate for creating a bean. It's like putting a hand up. @ComponentScan is searching packages for Components.
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The difference between the two methods is that the forward() method will close the output stream after it has been invoked, whereas the include() method leaves the output stream open. The include() method takes the content from another resource and includes it in the servlet.
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As nouns the difference between component and package is that component is a smaller, self-contained part of a larger entity often refers to a manufactured object that is part of a larger device while package is something which is packed, a parcel, a box, an envelope.
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OSGi Component Vs Service Components can call (using container injection – @Reference) other services but not components. In other words, a component cannot be injected into another component / service. Only services can be injected into another component.
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Object Repository is a collection of object and properties with which QTP will be able to recognize the objects and act on it. When a user records a test, the objects and its properties are captured by default. Without understanding objects and its properties, QTP will NOT be able to play back the scripts.
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So to answer the question the main difference between the Factory pattern and DI is how the object reference is obtained. With dependency injection as the name implies the reference is injected or given to your code. With Factory pattern your code must request the reference so your code fetches the object.
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1. The @Controller is a common annotation that is used to mark a class as Spring MVC Controller while @RestController is a special controller used in RESTFul web services and the equivalent of @Controller + @ResponseBody. ... Spring boot really makes it easy to develop REST APIs with spring.
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The basic difference between packages and interfaces is that a package contains a group of classes and interfaces whereas, an interface contains methods and fields. ...
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Extending and overlaying involves copying the component from /libs/ (or other base library) to /apps node and changing the behaviour. Override is similar to extend but the only difference is that you change the sling:resourceSuperType of the component so that it's behaviour completely changes (hence overridden).
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Template-driven forms are asynchronous in nature, whereas Reactive forms are mostly synchronous. In a template-driven approach, most of the logic is driven from the template, whereas in reactive-driven approach, the logic resides mainly in the component or typescript code.
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Gradle has three “aliases” which we can use when we are adding Maven repositories to our build. These aliases are: The mavenCentral() alias means that dependencies are fetched from the central Maven 2 repository. The jcenter() alias means that dependencies are fetched from the Bintray's JCenter Maven repository.
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Comparator interface belongs to java. util package while comparable belongs to java. lang package. Comparator interface sort collection using two objects provided to it, whereas comparable interface compares" this" refers to the one objects provided to it.
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Java – Managers: Maven and Gradle, Repository: Maven Central Java has two main options for package management, Maven is the industry standard. Maven Central Repository is an online repository containing a vast array of packages available for use in your projects.
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Components and objects. Object classes have associated methods that are clearly similar to the methods defined in component interfaces. ... Components are usually developed using an object-oriented approach but they differ from objects in a number of important ways: Components are deployable entities.
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Template-driven forms make use of the "FormsModule", while reactive forms are based on "ReactiveFormsModule". ... In a template-driven approach, most of the logic is driven from the template, whereas in reactive-driven approach, the logic resides mainly in the component or typescript code.