From 3f7725c9e23dc4a8cbc4970819483a9f7da6d3db Mon Sep 17 00:00:00 2001
From: William Cheng <wing328hk@gmail.com>
Date: Thu, 25 Jul 2019 10:19:40 +0800
Subject: [PATCH] update brew instruction (#3445)

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index e74b1c0b2f0..7402e2c1522 100644
--- a/README.md
+++ b/README.md
@@ -248,6 +248,17 @@ openapi-generator generate -i https://raw.githubusercontent.com/openapitools/ope
 
 To reinstall with the latest master, run `brew uninstall openapi-generator && brew install --HEAD openapi-generator`
 
+To install OpenJDK (pre-requisites), please run
+```sh
+brew cask install adoptopenjdk12
+export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-12.0.2.jdk/Contents/Home/
+```
+
+To install Maven, please run
+```sh
+brew install maven
+```
+
 ### [1.6 - Docker](#table-of-contents)
 
 #### Public Pre-built Docker images