An abstract class must contain at least one abstract method (true/false) : Questions « Modifiers « SCJP
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3.17.9.An abstract class must contain at least one abstract method (true/false)
A.
true
B.
false
3.17.Questions
3.17.1.
Which modifier should be used to control the persistent state?
3.17.2.
Answer: persistent state and modifer
3.17.3.
What is the output(extended class and static variable)?
3.17.4.
Answer: extended class and static variable
3.17.5.
What is the output(static field)?
3.17.6.
Answer: static field variable
3.17.7.
An abstract class may be instantiated (true/false)
3.17.8.
Answer: abstract class and instantiation
3.17.9.
An abstract class must contain at least one abstract method (true/false)
3.17.10.
Answer: abstract class and abstract method
3.17.11.
An abstract class must contain at least one abstract data field (true/false)
3.17.12.
Answer: abstract class and abstract field
3.17.13.
A top-level class may be declared as private(True/False).
3.17.14.
Answer: top level class
3.17.15.
A method may be declared as transient(True/False).
3.17.16.
Answer: transient and method
3.17.17.
A constructor may be declared as volatile.
3.17.18.
Answer: volatile and method
3.17.19.
What is the output of the following program(static field)?
3.17.20.
Answer: static field
3.17.21.
Local variables may be declared final(True/False).
3.17.22.
Answer: local variable and final
3.17.23.
Methods may be declared final(True/False).
3.17.24.
Answer: final method
3.17.25.
Constructors may not be declared private(True/False).
3.17.26.
Answer: final and contructor
3.17.27.
What is the output of the following program(static initializer)?
3.17.28.
Answer: static initializer
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