I am trying to discern another programmer's code (good luck I know)

In a class that tests connectivity to a datasource, the first line
after the try { opening up is a statement that I am not clear on.

it is like this
import model.Manager;
public class DataSourceConnectionObject {
        public static void main(String[] args) {
        try {
        Manager manager = "null";

is this setting a new object of Manager named "manager" and setting it
to null ?
it this the same as if manager = new Manager and set manager =null on
second line?

just making sure its not doing something else...
thx

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