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| Core Java - Interview Questions and Answers for 'Private variable' - 3 question(s) found - Order By Rating | ||||
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| Ans. Making an outer class as private will make it inaccessible from anywhere and would make it useless. | ||||
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 Discuss Correct / Improve  private variables | ||||
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| How can we hide a class in Java ? | ||||
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| Ans. Private variables are not inherited. They are simply ignored and not made part of the derived object body. | ||||
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| Discuss Correct / Improve private variables inheritance object oriented programming (oops) oops concepts | ||||
| Related Questions | ||||
| Can we access private members of the parent class ? i.e Are private members of the class visible in the derived class ? | ||||
| Why can't we declare on outer class as private ? | ||||
| Can we serialize objects with only private variables in Java ? | ||||
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| Ans. No, If both Parent and Derived are outer classes. public class Vehicle { private static String manufacturingDate = "2016"; } public class Car extends Vehicle{ public static void main(String args[]){ System.out.println(manufacturingDate); // error - The field Vehicle.manufacturingDate is not visible } } Yes, If derived is the inner class of Parent. public class Vehicle { private static String manufacturingDate = "2016"; static public class Car extends Vehicle{ public static void main(String args[]){ System.out.println(manufacturingDate); // no problem } } } | ||||
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Discuss Correct / Improve private members private methods private variables inheritance object oriented programming (oops) oops concepts members visibility inner classes nexted classes  basic  frequent | ||||
| Related Questions | ||||
| Difference between Public, Private, Default and Protected ? | ||||
| Which access specifiers can be used with top level class ? a. public or default b. public or private c. public or protected d. protected or default | ||||
| Enums cannot be declared .. | ||||
| What is the difference between these two method declarations ? private static void method(String[] arg) and private static void method(String... arg) | ||||
| Can we declare interface methods as private ? | ||||
| How can we create objects if we make the constructor private ? | ||||
| Why are Getter and Setter better than directly changing and retrieving fields ? or What is the significance of variable hiding in Java ? or Why it's preferred to keep variables private and allow their access through getter and setter methods ? | ||||
| enums are intrinsically .. | ||||
| Can we instantiate the object of derived class if parent constructor is protected ? | ||||
| Can we declare an abstract method private ? | ||||
