Get token value from request header in java

1. public class TechFact555 {
2.  public String getHeader(HttpServletRequest request) {
3.    String token = request.getHeader("header-key");
4.    // Validate token string
5.     return token;
6.   }
7. }

To get value in request, use HttpServletRequest object with exact key.

• NOTE: Header key is case-sensitive.