Java programming using Methods

This time write a class that contains the four methods:

(Add, Subtract, Multiply, and Divide)

You can enter 1, 2, 3, or 4 for choosing an addition, subtraction, multiplication, or division test. After a test is finished, the menu is re-displayed. You may choose another test or enter 5 to exit the system. Each test generates two random single-digit numbers to form a question for addition, subtraction, multiplication, or division. For a subtraction such as number1 number2, number1 is greater than or equal to number2. For a division question such as number1 / number2, number2 is not zero.