Java
/
Spring-boot
- 1 Basics 9
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Classes
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Objects
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Arrays
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Variables
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Loops
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Numbers
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Strings
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Exceptions
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Regexp
- 2 OOP 9
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Inheritance
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Polymorphism
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Static
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Abstract
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Interfaces
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Constructors
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Packages
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Nested Classes
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Final
- 3 Compiler 2
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Sublime Text
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Apache Ant
- 4 Collections 8
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Lists
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Comparable
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Sets
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Maps
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Generics
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Properties
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Streams
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Json
- 5 Threads 4
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Create Thread
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Sleep
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Lock
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Scheduler
- 6 Design patterns 4
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Singleton
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Observer
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Strategy
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Mediator
- 7 Swing 12
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Frame
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Panel
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Listener
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Combo Box
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Label
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Image
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Menu
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Table
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Layout
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Drawing
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Timer
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Designer
- 8 I/O 7
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Streams IO
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Socket
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Watching Files
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Mail
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Logger
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Clipboard
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Encrypt
- 9 Effective 7
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Constructors
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Dependency Injection
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Composition
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Interfaces Default
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Import Static
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Enums
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Lambdas
- 10 Junit 5
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About Junit
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Test Case
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Suite Test
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Annotations
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Exceptions
- 11 Lambdas 7
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Expressions
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Functional Interfaces
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Streams
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Common Operations
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Default Methods
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Static Methods
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Single Responsibility
- 12 JavaFX 6
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Openjfx
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Scene Builder
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First App
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Jar Archive
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On Action
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Change Listener
- 13 Maven 4
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Demo
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Spring Boot
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Junit
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Guava
- 14 Spring Boot 8
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Quick start
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Rest service
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Consuming Rest
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Templates
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Security
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Command Line
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Scheduling Tasks
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Ajax
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Quick start
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Last update: 13-03-2022
Controller
! Use start.spring.io to create a web project.
/**
* Spring Boot is the most popular way to start Spring projects.
* Spring Boot is built on top of the spring framework.
*
* Start by creating a new Spring Web project ...
* by opening intializer on start.spring.io
*/
package com.minte9.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication
@RestController
public class DemoApplication {
public static void main(String[] args) {
SpringApplication.run(DemoApplication.class, args);
}
@GetMapping("/")
public String welcome() {
return "Welcome";
}
@GetMapping("/hello")
public String hello() {
return "Hello World";
}
}
Build
The application build configuration is defined in pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.4</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>appSpringBootDemmo</artifactId>
<version>0.0.1</version>
<name>demo</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Run
Build and run the application using Maven and test embedded Apache Tomcat server.
./mvnw spring-boot:run
http://localhost:8080/myproject/hello
# Hello World
./mvnw spring-boot:run # linux
mvnw spring-boot:run # windows
mvn package # mvn
➥ Questions github Spring-boot