Ex. 7.13 and Ex. 7.14
EX 7.13 Create an interface called Visible thatincludes two methods: makeVisible and makeInvisible. Both methodsshould take no parameters and should return a boolean result.Describe how a class might implement this interface.
Ex. 7.14 Draw a UML class diagram that showsthe relationships among the elements of Exercise 7.13.
Expert Answer
An answer will be send to you shortly. . . . .