philadelphia-core: Use 'final' modifier in 'FIXVersion'
@@ -9,7 +9,7 @@ public enum FIXVersion {
FIX_4_4("FIX.4.4"),
FIXT_1_1("FIXT.1.1");
- private String beginString;
+ private final String beginString;
private FIXVersion(String beginString) {
this.beginString = beginString;
