In Java

description Design a class hierarchy used to represent test papers that would be given in school. It should include at least the following Question Each question has: points difficulty Number of points earned for answering the question correctly. Range of difficulty ranging from the constants MIN_DIFFICULTY to MAX_DIFFICULTY Amount of space that should be left on the paper so that the test taker can fill in the answer. This can be answerSpace represented as the number of lines on the page. questionText The text of the question, e.g., "How much wood would a woodchuck chuck if a woodchuck could chuck wood?" For each question, we should be able to create a String representation of the question as it should be presented to the student (for example, during a test or quiz)