What does ceil() method in Java return?

This method returns the closest long or int, as indicated by the method's return type, to the argument.

This method returns the smallest integer that is greater than or equal to the argument as a double.

This method returns the largest integer that is less than or equal to the argument as a double.

This method returns a String object representing the value of specified int or Integer.

This method converts the primitive data type of a certain String.