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QusWhich one of the following class declarations is a valid declaration of a class that\ncannot be instantiated?\nSelect the one correct answer. QusWhich one of the following class declarations is a valid declaration of a class that\ncannot be instantiated?\nSelect the one correct answer.


A. class Ghost { abstract void haunt(); }
B. abstract class Ghost { void haunt(); }
C. abstract class Ghost { void haunt() {}; }
D. abstract Ghost { abstract void haunt(); }


Solution
C. abstract class Ghost { void haunt() {}; }



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