Question: Assume that the classes listed in the Java Quick Reference have been imported where appropriate. Unless otherwise noted in the question, assume that parameters in

Assume that the classes listed in the Java Quick Reference have been imported where appropriate.
Unless otherwise noted in the question, assume that parameters in method calls are not null and that methods are called only when their preconditions are satisfied.
In writing solutions for each question, you may use any of the accessible methods that are listed in classes defined in that question. Writing significant amounts of code that can be replaced by a call to one of these methods will not receive full credit.
The following class represents a customer. The variable name represents the name of the customer, and the variable currAccNum represents the customers account number. Each time a Customer object is created, the static variable nextAccNum is used to assign the customers account number.
public class Customer
{
private static int nextAccNum =1;
private String name;
private int currAccNum;
public Customer(String n)
{
name = n;
currAccNum = nextAccNum;
nextAccNum++;
}
}

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