how to install react native cli in ubuntu 20.04 code example

Example 1: react native setup ubuntu 20.04

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

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