What is the connection string of SQL Server 2016 Express LocalDB?

I have installed SQL Server 2016 Express LocalDB. What is its connection string?

What is the server name of SQL Server 2016 Express LocalDB?

I have installed SQL Server 2016 Express LocalDB. What is its server name?

What is server name of “SQL Server Express LocalDB 2016”?

I am installed “SQL Server Express LocalDB 2016”. What is it’s server name?