The programming language is Java and please answer all of them!

xv. If a valid class implements the Comparable interface but does not override the compareTo method, what can be said about the class? xvi. Explain why a class cannot be both abstract and final xvii. Briefly describe the differences between method overloading and method overriding. xvii What is super in is super in Java? xix. Briefly describe the use of super in a constructor xx. In a method body, what is this and what can you do with it? xxi. Java provides eight primitive wrap they are, xxii. Can a Java class have no constructors? (Explain your answer.) xoxd. Java provides eight primitive wapper classes. Explan what they are xxiii. What is QOverride