PLEASE DO THIS IN JAVA!!

Exercise #2: Design and implement a JAVA program (name it Diamond) to print out the following shape using stars:

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Exercise #3: Design and implement a JAVA program (name it Rectangle) to calculate and display the area and perimeter of a rectangle with width = 4 and height = 8. Format the outputs following this sample run.

Sample run:

The width = 4 The height = 8 The area = 32 The perimeter = 24