Which three statements describe the object-oriented features of the Java language?
A.
Objects cannot be reused.
B.
A subclass can inherit from a superclass.
C.
Objects can share behaviors with other objects.
D.
A package must contain more than one class.
E.
Object is the root class of all other objects.
F.
A main method must be declared in every class.
Explanation:
http://www.javaworld.com/article/2075459/java-platform/java-101–object-oriented-languagebasics–part-5–object-and-its-methods.html (see the sub title, Object is root of all classes not all other objects)
B,C,E
Answer: B,C,E
java.lang.Object
public class Object
Class Object is the root of the class hierarchy. Every class has Object as a superclass. All objects, including arrays, implement the methods of this class.
https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html