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+package com.ups.example;%0A%0Aimport static spark.Spark.*;%0A%0Apublic class DemoApplication %7B%0A    public static void main(String%5B%5D args) %7B%0A        get(%22/hello%22, (req, res) -%3E %22Hello World%22);%0A    %7D%0A%7D%0A

Create DemoApplicationexample.java