[JAVA] Spring Boot environment construction memo on mac


Since I built the environment of spring on mac when studying java Record as a memorandum.

1, Install OPEN jdk

Download from the following site http://jdk.java.net/13/ This time I downloaded 13.0.2.

After unzipping the file, use the following command Move to JavaVirtualMachines

$ sudo mv jdk-13.jdk /Library/Java/JavaVirtualMachines/

When other applications use Java Set the environment variable JAVA_HOME to find the directory where the JDK is installed

$ export JAVA_HOME=`/usr/libexec/java_home -v 13`

What is the JDK? ??

Java SE Development Kit A development kit that contains the necessary tools such as a compiler to create programs in Java. It also includes the JRE, which is the Java execution environment.

2, Installation of Spring Tool Suite

This time, we will use the development environment provided by the framework developer.

Download Spring Tools 4 for Eclipse from the following site https://spring.io/tools

Select a workspace and Launch! スクリーンショット 2020-04-11 12.07.50.png

I got up safely! スクリーンショット 2020-04-11 12.08.16.png

Install a build tool called Gradle from the marketplace

3, project creation

File→New→Spring Starter Project

スクリーンショット 2020-04-20 22.39.19.png スクリーンショット 2020-04-20 22.49.38.png

The project has been created!

4, hello world display

Create HelloController.java in com.example.demo as follows


package com.example.demo;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

public class HelloController {
	public String index() {
		return "hello world";

Right click on the folder Click Run As → Spring Boot App to launch the app!

Access localhost: 8080

スクリーンショット 2020-04-20 23.11.42.png

I was able to display it!

Based on this, I will study various java ~!

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