Question: EX 7.13 Create an interface called visible that includes two methods: makeVisible and make Invisible. Both methods should take no parameters and should return

EX 7.13 Create an interface called visible that includes two methods: makeVisible

EX 7.13 Create an interface called visible that includes two methods: makeVisible and make Invisible. Both methods should take no parameters and should return a boolean result. Describe how a class might implement this interface.

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