in Java please!

Name one of the classes Rectangle that contains: As variables: length width As methods required are A default constructor A constructor with two parameters (length, width), A method that calculates the area of the rectangle . A method that calculates the perimeter of the rectangle toString method that the returns a message combined with the data, and the result the above method returns. .And a specific method of yours. (for example you can compare the area with some value and the method return a message or a boolean value)