Bank class must have the listed 2 constructors Default const
Solution
Here is the code for you:
class Bank
 {
 String firstName;
 String lastName;
 double balance;
 public Bank()
 {
 firstName = \"John\";
 lastName = \"Doe\";
 balance = 0.0;
 }
 public Bank(String fName, String lName, double bal)
 {
 firstName = fName;
 lastName = lName;
 balance = bal;
 }
 public void setFirstName(String fName)
 {
 firstName = fName;
 }
 public void setLastName(String lName)
 {
 lastName = lName;
 }
 public void setBalance(double bal)
 {
 balance = bal;
 }   
 public String getFirstName()
 {
 return firstName;
 }
 public String getLastName()
 {
 return lastName;
 }
 public double getBalance()
 {
 return balance;
 }
 public void addBalance(double bal)
 {
 balance += bal;
 }
 public void withdraw(double bal)
 {
 if(balance >= bal)
 balance -= bal;
 else
 System.out.println(\"Not enough funds.\");
 }
 public void print()
 {
 System.out.println(\"First name\\tLast name\\tBalance\");
 System.out.printf(\"%s\\t%s\\t%.2f\ \", firstName, lastName, balance);
 }
 }


