I need help writing a Java program for:

• A BankAccount POJO with two properties (accountNo and funds) with getters/setters, a BankAccount additionally provides methods to add funds and remove funds via a deposit and withdraw method, respectively.
• A SavingsAccount is a child class of BankAccount with an overridden toString method.
• A CheckingAccount is a child class of BankAccount with an overridden toString method.
• All drawn on a, which can hold clients and accounts. A Bank with two private methods addClient and addAccount capable of making easy to update its array of clients and BankAccounts, respectively. A setting which defines a method openAccount that associates a new account based on some parameters with a client as well as withdrawal and deposit, methods that we will implement together.
• I would like to be able to TestBank using a class with a main method which is used to run a simulation of withdraws and deposits.