Table of Contents1. Overview2. Example2.1 Using The Environment Variable2.2 Using The Configuration File2.2.1 Project Structure2.2.2 development.js or production.js2.2.3 server.js2.3 Using Command Line Arguments3. Conclusion4. References 1. Overview In this article,…
Table of Contents1. Overview2. Example : Spring JPA database routing Example2.1 pom.xml2.2 application.properties2.3 SpringBootConfig.java2.4 CustomRoutingDataSource.java2.5 MasterService.java2.6 EmployeeDAO.java2.7 Employee.java2.8 EmployeeController.java2.9 Output:3. Conclusion4. References 1. Overview In this article, We will learn Spring…
Table of Contents1. Overview2. Different ways to Read HTTP Request header / @RequestHeader Examples2.1 Spring MVC read header using @RequestHeader2.2 Spring MVC read all headers2.3 Spring MVC read the custom…
Table of Contents1. Overview1.1 REST Standards and Http CRUD operations1.2. Express.js2. Examples of JSON Web Service2.1 Project Structure2.2 Install express module2.2.1 package.json2.3 Example of employee web service2.3.1 router.js2.3.2 server.js2.4 Output:3….
Table of Contents1. OverviewEmployeeController.javaEmployee.java2. Spring Jackson property naming strategy1. LowerCamelCase2. LowerCaseStrategy2. SnakeCaseStrategy3. UpperCamelCaseStrategy4. KebabCaseStrategy3. Conclusion4. References 1. Overview Jackson is a very popular library to convert Java object to JSON. while converting POJO to JSON,…
Table of Contents1. Overview2. Spring JPA Projection using Interface1. Close ProjectionEmployeeBasicDetails.javaProjection in the @Query annotation and method query2. Open Projection3. Runtime projectionEmployeeBasicDetails.javaEmployeeNamesDetails.javaEmployeeDAO.java2. Spring JPA Projection using Class3. Conclusion4. References 1….
Table of Contents1. Overview2. Example 2.1 Project Structure2.2 POM file configuration2.3 application.properties 2.4 Change Log Files 2.4.1 changelog-master.xml 2.4.2 create-person-table-changelog-1.xml 2.4.3 insert-person-table-changelog-2.xml 2.4.4 update-person-table-precondition-3.xml 2.5 Output 3. Conclusion Important properties…
Table of Contents1. Overview2. Spring JPA query IN and NOT IN query examples2.1 Spring JPA query IN clause exampleOutput:Query:2.2 Spring JPA query NOT IN clause exampleOutput:Query:2.3 Spring JPA dynamic IN…
Table of Contents1. Overview2. Spring JPA Like Query Example2.1 Like or Contains JPA Query2.2 Like or Contains with ignoring case JPA Query 2.3 Start with JPA Query2.4 Ends with JPA Query2.5 Not Like or…
Table of Contents1. Overview2. Development environment3. Input Files3.1 User details sample input file for Spark Joins:3.2 Address details sample input file for Spark Joins:4 Project Structure5. Solution5.1 Build File :…
