src/share/classes/java/lang/reflect/Executable.java

*** 80,90 ****
                 getDeclaringClass());
      }
  
      void separateWithCommas(Class<?>[] types, StringBuilder sb) {
          for (int j = 0; j < types.length; j++) {
!             sb.append(Field.getTypeName(types[j]));
              if (j < (types.length - 1))
                  sb.append(",");
          }
  
      }
--- 80,90 ----
                 getDeclaringClass());
      }
  
      void separateWithCommas(Class<?>[] types, StringBuilder sb) {
          for (int j = 0; j < types.length; j++) {
!             sb.append(types[j].getTypeName());
              if (j < (types.length - 1))
                  sb.append(",");
          }
  
      }
*** 159,171 ****
              specificToGenericStringHeader(sb);
  
              sb.append('(');
              Type[] params = getGenericParameterTypes();
              for (int j = 0; j < params.length; j++) {
!                 String param = (params[j] instanceof Class)?
!                     Field.getTypeName((Class)params[j]):
!                     (params[j].toString());
                  if (isVarArgs() && (j == params.length - 1)) // replace T[] with T...
                      param = param.replaceFirst("\\[\\]$", "...");
                  sb.append(param);
                  if (j < (params.length - 1))
                      sb.append(',');
--- 159,169 ----
              specificToGenericStringHeader(sb);
  
              sb.append('(');
              Type[] params = getGenericParameterTypes();
              for (int j = 0; j < params.length; j++) {
!                 String param = params[j].getTypeName();
                  if (isVarArgs() && (j == params.length - 1)) // replace T[] with T...
                      param = param.replaceFirst("\\[\\]$", "...");
                  sb.append(param);
                  if (j < (params.length - 1))
                      sb.append(',');