@Service @Lazy //changes the moment when the bean instance is created ///will not display the actions in postconstruct and predestroy, the context is created and closed //PostConstruct and PreDistroy can also be called directly but this is not compliant to Spring standards //more ofther these methods are marked as private so that they should not …
The java developer can use 2 standard Java annotations to interwine in a bean lifecycle inside a Spring context These annotations are used by ejb, jpa, spring, jsf contexts . @Postconstruct – used for any initialisation In not advisable to give values in a Bean constructor There is a chance that the Postconstructor should not …
@Qualifier @Target(ElementType.FIELD,ElementType.CONSTRUCTOR,ElementType.METHOD,ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) /*Another way to use @Qualifier is to declare an annotation Target must declare type, method, constructor and field to be succesfuly recognized as annotation The java developer needs to declare retention policy runtime to be detected with by the Java Reflection mecanism this annotation can be used to replace @qualifier(bean name) */ …
Let’s create a package service and define an interface called IMyService This Java interface will contain all the methods that a service can be able to offer In a memory zone such as IMyService (interface) we can add memory zones of type MyServiceA through polymorphism To identify this class the java coder will implement the …
@Qualifier annotation in Spring To exemplify the use of @Qualifier annotation we should define an abstractisation of a bean Often the bean is abstracted and we should represent the bean through abstractisation not through a direct implementation Using a concret type of variable is not advisible to be used to indejected in an instance dependency …
How to parse a json that is the response from a call to an Endpoint in Java Let’s assume we have the following response: { “took”: 4, “timed_out”: false, “_shards”: { “total”: 5, “successful”: 5, “failed”: 0 }, “hits”: { “total”: 2, “max_score”: 1, “hits”: [ { “_index”: “event1_201708”, “_type”: “banner_event”, …
How to set up a test automation framework with Java Cucumber and Maven in InteliJ IDE Clone the following projects that will be required: Command -> git -c http.sslVerify=false clone https://Repository Select the JDK version the IDE will run under Start InteliJ Open the Project Structure dialog (e.g. Ctrl+Shift+Alt+S). Under Platform Settings, select SDKs and …
Assurer la qualité du développement logiciel à la mise en œuvre technique et au développement de solutions de test et d’analyse des composants développés Réaliser les activités QA et soutenir le dossier de suivi de la qualité vis-à-vis des clients et autorités Promouvoir la démarche qualité Assurer des services de test logiciel et d’automatisation de …
1. What is the difference between abstract classes and interface in Java? Abstract classes should be used when the Java developer wants to use non static, non final, non public fields. Interfaces can also have implemented methods (default methods in Java 8), this would not be a difference between the 2 anymore. Interfaces allow to …