Answer: anonymous inner class and interface and parent class : Questions « Object Oriented « SCJP
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6.14.22.Answer: anonymous inner class and interface and parent class
B
6.14.Questions
6.14.1.
An anonymous inner class must appear inside a block of code(True/False).
6.14.2.
Answer: anonymous inner class definition
6.14.3.
Anonymous inner classes may not call the enclosing class' synchronized methods(True/False)/
6.14.4.
Answer: anonymous class and synchronized methods
6.14.5.
Anonymous inner classes may only call final methods of the enclosing class(True/False).
6.14.6.
Answer: Anonymous inner classes and final methods
6.14.7.
Anonymous inner classes may only read and write final variables of the enclosing class(True/False).
6.14.8.
Answer: Anonymous inner classes and final variables
6.14.9.
Will the following code compile(enum and object)?
6.14.10.
Answer: enum and object
6.14.11.
Will the following code compile(Enum and object conversion)?
6.14.12.
Answer: Enum and object conversion
6.14.13.
Will the following code compile(Enum and object conversion and casting)?
6.14.14.
Answer: Enum and object conversion and casting
6.14.15.
Will the following code compile(enum casting)?
6.14.16.
Answer: enum casting
6.14.17.
An anonymous inner class may implement at most one interface(True/False).
6.14.18.
Answer: anonymous inner class and interface
6.14.19.
An anonymous inner class may extend a parent class other than Object(True/False).
6.14.20.
Answer: anonymous inner class and parent class
6.14.21.
An anonymous inner class that implements one interface may extend a parent class other than Object(True/False).
6.14.22.
Answer: anonymous inner class and interface and parent class
6.14.23.
Which methods return an enum constant's name?
6.14.24.
Answer: enum and constant value
6.14.25.
For a static nested class, you must have a reference to an instance of the enclosing class in order to instantiate it (True/False)
6.14.26.
Answer: static nested class
6.14.27.
For a static nested class, it does not have access to non-static members of the enclosing class(True/False)
6.14.28.
Answer: static nested class(2)
6.14.29.
For a static nested class, its variables and methods must be static(True/False)
6.14.30.
Answer: static nested classes(3)
6.14.31.
For a static nested class, if the outer class is named MyOuter, and the nested class is named MyInner, it can be instantiated using new MyOuter.MyInner();(True/False)
6.14.32.
Answer: static nested classes(4)
6.14.33.
For a static nested class, it must extend the enclosing class(True/False)
6.14.34.
Answer: static nested class(5)
6.14.35.
Which create an anonymous inner class from within class Bar?
6.14.36.
Answer: anonymous inner class
6.14.37.
A method-local inner class must be marked final(True/False)
6.14.38.
Answer: method local inner class(1)
6.14.39.
A method-local inner class can be marked abstract(True/False)
6.14.40.
Answer: method local inner class(2)
6.14.41.
A method-local inner class can be marked public
6.14.42.
Answer: method local inner class(3)
6.14.43.
A method-local inner class can be marked static(True/False)
6.14.44.
Answer: method local inner class(4)
6.14.45.
A method-local inner class can access private members of the enclosing class(True/False)
6.14.46.
Answer: method local inner class(5)
6.14.47.
What is the result(inner class)?
6.14.48.
Result: inner class
6.14.49.
What is the result (inner class(2))?
6.14.50.
Answer: inner class(2)
6.14.51.
What is the result(abstract class)?
6.14.52.
Answer: using abstract class
6.14.53.
What is the result(initialize the inner class)?
6.14.54.
Answer: initialize the inner class
6.14.55.
What is the result(extends inner class)?
6.14.56.
Answer: extends inner class
6.14.57.
What is the result(reference variable in outter class)?
6.14.58.
Answer: reference variable in outter class
6.14.59.
What is the result(Arrays.sort)?
6.14.60.
Answer: Arrays.sort
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