title: How to add header to the backend request using java
body: <p>I'm new with WSO2,I'm trying to add header in the request to my backend, so i done to add it using the calssic method or the xml method as <a href="https://docs.wso2.com/display/AM180/Adding+Mediation+Extensions" rel="nofollow noreferrer">here</a> so now I wanna add it using java method, could you please help me how can make it </p>
  
  <p>Thanks</p>