Select the correct answerWhich of the following is FALSE about abstract classes in JavaOptionsAbstract classes can have constructorsIf we derive an abstract class and do not implement all the abstract methods, then the derived class should also be marked as abstract using 'abstract' keywordA class can be made abstract without any abstract methodA class can inherit from multiple abstract classes.
Question
Select the correct answerWhich of the following is FALSE about abstract classes in JavaOptionsAbstract classes can have constructorsIf we derive an abstract class and do not implement all the abstract methods, then the derived class should also be marked as abstract using 'abstract' keywordA class can be made abstract without any abstract methodA class can inherit from multiple abstract classes.
Solution
The false statement about abstract classes in Java is: "A class can inherit from multiple abstract classes."
In Java, a class cannot inherit from multiple abstract classes due to the single inheritance feature of Java. However, a class can implement multiple interfaces.
Similar Questions
Which of the following is FALSE about abstract classes in Java?Select one:a.A class can be made abstract without any abstract methodb.Abstract classes can have constructorsc.A class can inherit from multiple abstract classes.d.If we derive an abstract class and do not implement all the abstract methods, then the derived class should also be marked as abstract using ‘abstract’ keyword
he correct answerWhich of the following statement(s) with regard to an abstract class in JAVA is/are TRUE ?I. An abstract class is one that is not used to create objects.II. An abstract class is designed only to act as a base class to be inherited by other classes.OptionsOnly INeither I nor IIOnly IIBoth I and II
ct answerWhich of these is not a correct statement?OptionsEvery class containing abstract method must be declared abstractAbstract class can be initiated by new operatorAbstract class defines only the structure of the class not its implementationAbstract class can be inherited
In Java, can an abstract class have non-abstract methods?Question 10Answera.Yes, an abstract class can have non-abstract methods.b.No, an abstract class can only have abstract methods.c.It depends on the access modifiers of the methods.d.It depends on the version of Java being used.
In Java, can an abstract class have a constructor?Question 13Answera.Yes, an abstract class can have a constructor.b.No, an abstract class cannot have a constructor.c.It depends on the access modifiers of the constructor.d.It depends on the version of Java being used.
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