<servlet>
<servlet-name>MyPortlet</servlet-name>
<servlet-class>com.example.MyPortlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>MyPortlet</servlet-name>
<url-pattern>/my-portlet</url-pattern>
</servlet-mapping>
package com.example;
import javax.portlet.GenericPortlet;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import java.io.IOException;
import java.io.PrintWriter;
public class MyPortlet extends GenericPortlet {
@Override
protected void doView(RenderRequest request, RenderResponse response) throws PortletException, IOException {
PrintWriter writer = response.getWriter();
writer.write("Hello, World!");
}
}