True/False a) In Java, an object is an instance of the Ocean b) In Java we use the abstract key word to create an Interface c) A Java class can extend multiple classes and implement one interface only d) A nested for loop is a loop inside another loop e) Static methods cannot be defined inside a non-static class f) In Java, a variable can be used before it is declared. g) In Java, the parent class can use all methods defined in the child class