Which are incorrect class declarations? : Questions « Object
Oriented « SCJP  1.Java Source And Data Type 4.Type Casting
6.Object Oriented 8.Utility Classes SCJP » Object
Oriented » Questions  6.13.27.Which are incorrect class
declarations?
A.   public synchronized class FastClass extends Thread
B.   private protected class FastClass
C.   public abstract class FastClass
D.   class FastClass extends Thread 6.13.1.Is it legal enums:
enum Animals {int age;LION, TIGER, DOG;} 6.13.2.Answer: enum and
underline value 6.13.3.Is it legal enums:enum Animals {LION,
TIGER, DOG;int weight;} 6.13.4.Answer: enum definition in a
class 6.13.5.Is it legal enums? 6.13.6.Answer: enum, underline
value and constructor 6.13.7.Is it legal enums(enum and
constructor)? 6.13.8.Answer: enum and constructor 6.13.9.Which
of the following may override a method whose signature is void
a(float f)? 6.13.10.Answer: method signature and override
6.13.11.An enum definition should declare that it extends
java.lang.Enum(True/False). 6.13.12.Answer