Which one is incorrect? a. Some methods in an abstract class can have no implementation. b. All fields in an interface must be initialized or instantiated. c. All fields in an interface can be directly accessed through the interface name d. All methods in an interface must not have implementation. e. None of the above. Which one is incorrect? a. A Java API comment is a multi-line comment and uses notation b. The notation for accepting a variable-length argument list is by an ellipsis (...). c. Ellipsis can only be used one time in a method's arguments. d. Ellipsis can be used in any one of a method's arguments. e. A method m should not have arguments like m(float f, int i, int..) Which one is correct? a. int i-43.0; b. float f 4.5 2 c. byte b-1.23 100; d. double d- 123456789 1000f e, boolean b = 1; Provide a formatted printing statement that yields SO 323.500 for input 323.5. Note that 0 means a space. How many lines of "Hello World!" will be printed? public static void main (Stringt] args) for (int k-l; k 10? 1: 0, what is 10 8? and what should be the result of z