1st

src/main/java/test/HelloServlet.java

@@ -0,0 +1,21 @@
+package test;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+@WebServlet("/hello")
+public class HelloServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+
+    protected void doGet(HttpServletRequest request,
+                         HttpServletResponse response)
+            throws ServletException, IOException {
+
+        response.getWriter().print("Hello!");
+    }
+
+}