$[9$:$35$ am$,14/5/2024]$ Pallavi: John works on a code implemented using @Transactional annotation. Help him identify, which among the following are correct usages of this annotation?

$($A$)$

Public interface DataStoreServices$\{$

Void update DataStoreDetails$($DataStore dataStore$)$;

void insertDataStoreDetails $($Datastore datastore$)$;$\}$

$($B$)$

@Transactional

public class DataStoreServiceImpl $\{$

public void updateDataStoreDetaila $($DataStore datastore$)\{//$code goes here$\}$

public void insertDataStoreDetails $($DataStore datastore$)(//$code goes here

$\}$

$\}$

$[9$:$36$ am$,14/5/2024]$ Pallavi: $($C$)$

Public class DataStoreServiceImpl $\{$

@Transactional

public void updateDataStoreDetails $($DataStore datastore$)\{$

$//$code goes here

$\}$

$\}$

$($D$)$

public class DataStoreServiceImpl $\{$

public void updateDataStoreDetails $($DataStore dataStore$)\{$

@Transactional

$//$code goes here

$\}$

$\}$