Question

Well, in fact I would like to do the following in an interface:

public interface ObjectMethods
{
    static Method getModulus = RSAPublicKey.class.getMethod("setModulus", byte[].class, short.class, short.class);
}

This of course leads to a compile error cause the exception thrown by this method call is not handled properly. But I cannot put a static block into an interface. I thought about building an Enum, but maybe someone where already faced to this problem. In fact it would not be a opportunity to put this static field into a class because I have to use interface.

Thanks in advance.

Answer 1

You can handle this with a little bit of indirection. (Code is untested.)

public interface ObjectMethods
    {
        public static class CONSTANTS
        {
               static final Method getModulus ;
               static
               {
                     try
                     {
                           getModulus = RSAPublicKey.class.getMethod("setModulus", byte[].class, short.class, short.class);
                     }
                     catch ( Exception cause ) { //handle it }
              }
         }

    }