SR 7.16 True or False? Explain. a. A Java interface can include only abstract methods, nothing else. b. An abstract method is a method that does not have an implementation. c. All of the methods included in a Java interface definition must be abstract. d. A class that implements an interface can define only those methods that are included in the interface. e. Multiple classes can implement the same interface. f. A class can implement more than one interface. g. All classes that implement an interface must provide the exact same definitions of the methods that are included in the interface.