driver-legacy/src/main/com/mongodb/Mongo.java
@Deprecated
    @SuppressWarnings("deprecation")
    @Nullable
    public ServerAddress getAddress() {
        ClusterDescription description = getClusterDescription();
        if (description.getPrimaries().isEmpty()) {
            return null;
        }
        return description.getPrimaries().get(0).getAddress();
    }
@Deprecated
    @SuppressWarnings("deprecation")
    @Nullable
    public ServerAddress getAddress() {
        ClusterDescription description = getClusterDescription();
        if (description.getPrimaries().isEmpty()) {
            return null;
        }
        return description.getPrimaries().get(0).getAddress();
    }
Gets the address of the current master

@return the address