Rectangle Area—Complete the Program
The Student CD contains a partially written program named AreaRectangle.java. Your job is to complete the program. When it is complete, the program will ask the user to enter the width and length of a rectangle, and then display the rectangle’s area. The program calls the following methods, which have not been written:
• getLength—This method should ask the user to enter the rectangle’s length, and then return that value as a double.
• getwidth—This method should ask the user to enter the rectangle’s width, and then return that value as a double.
• getArea—This method should accept the rectangle’s length and width as arguments, and return the rectangle’s area. The area is calculated by multiplying the length by the width.
• displayData—This method should accept the rectangle’s length, width, and area as arguments, and display them in an appropriate message on the screen.
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