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This allows a user to create a new software project via the Roo shell, or use Roo on an existing project. The following is an example of the commands used by Roo to create a new application plus the Spring Boot Maven plugin run goal to compile and run the application using an embedded HTTP server:
A JavaBean is a POJO that is serializable, has a no-argument constructor, and allows access to properties using getter and setter methods that follow a simple naming convention. Because of this convention, simple declarative references can be made to the properties of arbitrary JavaBeans.
Spring Boot is a convention-over-configuration extension for the Spring Java platform intended to help minimize configuration concerns while creating Spring-based applications. [ 4 ] [ 5 ] The application can still be adjusted for specific needs, but the initial Spring Boot project provides a preconfigured "opinionated view" of the best ...
Often a setter is accompanied by a getter, which returns the value of the private member variable. They are also known collectively as accessors . The mutator method is most often used in object-oriented programming , in keeping with the principle of encapsulation .
In computer programming, lazy initialization is the tactic of delaying the creation of an object, the calculation of a value, or some other expensive process until the first time it is needed. It is a kind of lazy evaluation that refers specifically to the instantiation of objects or other resources.
The @Entity annotation declares that the class represents an entity. @Id declares the attribute which acts as the primary key of the entity. Additional annotations may be used to declare additional metadata (for example changing the default table name in the @Table annotation), or to create associations between entities.
In software engineering, dependency injection is a programming technique in which an object or function receives other objects or functions that it requires, as opposed to creating them internally. Dependency injection aims to separate the concerns of constructing objects and using them, leading to loosely coupled programs.
Spring Boot Extension is Spring's convention-over-configuration solution for creating stand-alone, production-grade [100] Spring-based Applications that you can "just run". [101] It is preconfigured with the Spring team's "opinionated view" [ 102 ] [ 103 ] of the best configuration and use of the Spring platform and third-party libraries so you ...