In java language

1. (a). Write a method called check() that is passed with two integer arguments and then return true if the first number is bigger than the second, otherwise return false. (b). Write a main() method to execute this check() method and display the result. 2. (a). Write a method called count() that is passed with one integer argument to find and return the number of digits in the given integer number. (b). Write a main() method to execute this count() method and display the result. 3. (a). Write a method called circarea() that is passed with radius as a double type argument and return the area of the circle in double. (b). Write a main() method to execute this circarea() method and display the result. 4. True or False: When actual arguments are passed by value, only the copy of the actual arguments are sent to the formal arguments and later changes on the formal arguments will affect the actual arguments