Table of Contents1. Overview2.Example2.1 Download File Without Express.2.1.1 Server.js2.2 Download File In Express Server Using Download Function.2.2.1 Server.js2.2.2 Server.js2.3 Download File Using Third Party Module.3. Conclusion4. References 1. Overview In…
Table of ContentsOverviewExample 1: Sort List of Integer in Ascending OrderOutputExample 2: Sort List of Integer in Descending OrderOutputExample 3: Sort List of DateOutputExample 4: Sort Custom Object by its…
Table of ContentsOverviewExample 1: Using the Stream.concat() MethodOutputOutputExample 2: Using the Stream.flatMap() MethodOutputOutputConclusionReferences Overview In Java 8, we know how to get a stream of List using stream() or parrallelStream() method…
Table of ContentsOverviewExample 1: Filter null values from ListOutputExample 2: Filter null values from Map valuesOutputExample 3: Filter null values from Set of Map.EntryOutputConclusionReferences Overview Java List and Map may…
Table of Contents1. Overview2. Spring Jackson exclude null fields1. Spring Jackson exclude null field level2. Spring Jackson exclude null class level3. Spring Jackson exclude null global configuration3. Spring Jackson exclude…
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,…
