In the following Java example, first of all, let's see what is a dependency between two classes? Take a look at the following class diagram:
TransferService has dependencies with AccountRepository and TransferRepository for transferAmount() method with Direct Instantiation of repositories classes.
As seen in the preceding diagram, the TransferService class contains two member variables, AccountRepository and TransferRepository. These are initialized by the TransferService constructor. TransferService controls which implementation of the repositories is used. It also controls their construction. In this situation, ...
