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Which of the following statements isn’t true?A non-private method in a superclass can be overriddenA derived class is a subset of superclassThe value of a private variable in the superclass can be changed in the subclassWhen invoking the constructor from a subclass, the constructor of superclass is automatically invoked

Question

Which of the following statements isn’t true?A non-private method in a superclass can be overriddenA derived class is a subset of superclassThe value of a private variable in the superclass can be changed in the subclassWhen invoking the constructor from a subclass, the constructor of superclass is automatically invoked

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Solution

The statement that isn't true is: "The value of a private variable in the superclass can be changed in the subclass".

In Java, private variables of a superclass are not visible or accessible in its subclass. They can only be accessed through methods of the superclass (getters and setters). If you want to change the value of a private variable in a superclass from a subclass, you would need to use a public or protected setter method defined in the superclass.

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