Introduction

Tipps and Tricks

Change App Port Number

Add line to file src/main/resources/application.properties

server.port=9010

Rest Api

Get JSON Data from a remote Rest Server

final RestTemplate restTemplate = new RestTemplate();
final String response = restTemplate.getForObject("https://httpbin.org/ip", String.class);

System.out.println(response);

Introduction

Spring makes programming Java quicker, easier, and safer for everybody. Spring’s focus on speed, simplicity, and productivity has made it the world’s most popular Java framework.

Required Software

Java

Spring recommend AdoptOpenJDK version 8 or version 11.

Oracle AdoptOpenJDK OpenJDK

Eclipse

Eclipse IDE for Enterprise Java Developers

Sprint Tools | 4

Spring Tools 4 for Eclipse

Create a new App from CLI

Create a starter app using spring.io from the commandline

$ curl https://start.spring.io/starter.zip -d language=java -d dependencies=web,mustache,jpa,h2,devtools -d packageName=com.example.blog -d name=Blog -o blog.zip

Working with Maven

Tipps and Tricks

Change App Port Number

Add line to file src/main/resources/application.properties

server.port=9010

Learning Path

Start with the following tutorials / guides:

• Spring Quickstart Guide
• Building a RESTful Web Service
• Consuming a RESTful Web Service
• Accessing Data with JPA

See Also

• Building a RESTful Web Service
• Consuming a RESTful Web Service
• Consuming a RESTful Web Service with AngularJS
• Consuming a RESTful Web Service with jQuery
• Consuming a RESTful Web Service with rest.js
• Accessing GemFire Data with REST
• Accessing MongoDB Data with REST
• Accessing data with MySQL
• Accessing JPA Data with REST
• Accessing Neo4j Data with REST
• Securing a Web Application
• Building an Application with Spring Boot

• Building REST services with Spring
• React.js and Spring Data REST

• Creating API Documentation with Restdocs
• Enabling Cross Origin Requests for a RESTful Web Service
• Building a Hypermedia-Driven RESTful Web Service
• Circuit Breaker