set up react native in ubuntu 20.04 code example

Example 1: react native ubuntu 20.04

sudo npm install expo-cli --global

Example 2: react native setup ubuntu 20.04

1# install Homebrew2/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"3

Example 3: react native setup ubuntu 20.04

1# install JDK version 82sudo apt install -y openjdk-8-jdk-headless openjdk-8-jre3