Implement a class called ShoppingCart that implements the BagInterfaceMyType in Java. Your implementation should include the following: Fields: MyType[] myBag; int numberofProducts; Default_Capacity; Methods: Constructor(): initialize bag add() - will be used to add a new entry. toArray() - provides an array of the allocated bag. isFull() - test whether the bag is at the maximum capacity.   Implement a BagDemo that tests your bag implementation class. Methods: testAddl() - will add the contents to the Bag. displayBag() - will display the contents of the Bag. Please and Thank you

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