Posted on Jun 17, 2023

Setting up IntelliJ Community Edition

Install JDK

$ brew install openjdk
$ sudo ln -sfn /opt/homebrew/opt/openjdk/libexec/openjdk.jdk /Library/Java/JavaVirtualMachines/openjdk.jdk
echo 'export PATH="/opt/homebrew/opt/openjdk/bin:$PATH"' >> ~/.zshrc
$ echo 'export CPPFLAGS="-I/opt/homebrew/opt/openjdk/include"' >> ~/.zshrc
$ source ~/.zshrc
$ java --version
openjdk 20.0.1 2023-04-18
OpenJDK Runtime Environment Homebrew (build 20.0.1)
OpenJDK 64-Bit Server VM Homebrew (build 20.0.1, mixed mode, sharing)

Install IntelliJ Community Edition

https://www.jetbrains.com/idea/download/?var=1&section=mac

Spring Boot Project

Use initializer to create a new project

https://start.spring.io

Select Maven
Add Spring Web dependency
Select the correct Java version

Open the project in IntelliJ CE

Trust the project
Specify JDK in Project Structure
Add a controller

package com.example.demo;

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

@RestController
public class HelloWorldController {
    @RequestMapping("/")
    public String hello()
    {
        return "Hello Spring Boot!";
    }
}