one java question will leave a like

Given the following class, how would an instance of the class need to be declared with the userName changed to Sophia after the instantiation? public class Customer \{ private String userName; private String password; public Customer(String userName, String password) \{ this.userName = userName; this.password = password; \} this.password = password; public void setPassword(String password) \{ public String getPassword() \{ return password; \} public void setUserName(String userName) \{ this. userName = userName; public String getUserName() \{ Customer c1= new Customer("user", "pass"); c1. userName = "Sophia"; Customer c1 = new Customer("user", "pass") c1. userName( "Sophia"); Customer c1 = new Customer("user", "pass") c1. setUserName("Sophia"); Customer c1= new Customer("user","pass"); c1. userName = c1. setUserNane( "Sophia")