Complete a properly encapsulated class named Shape, which has the following: - A boolean instance variable named isFilled. A String instance variable named color. A default, no-arg constructor which sets isFilled to true, and color to "Green". An overloaded constructor which takes two parameters, a boolean and a String and sets the instance variables accordingly. An overridden toString() method, which returns a String. The String should contain: The values of the instance variables in the following format: Filled: true Color: Green

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