what is the use of declaring constructor as private?
Answer Posted / ravikiran
In order to restrict the class to get subclassed
Is This Answer Correct ? | 6 Yes | 6 No |
Post New Answer View All Answers
What is the benefit of lambda expressions?
What does this () mean in java?
What is the difference between a scrollbar and a scrollpane?
Explain importance of finally block in java?
What is the definition of tree ?
How many bytes is a string java?
Say you want to store the information about a number of pets in an array. Typical information that you could store for each pet (where relevant) would be • Breed of animal • Animal's name • Its birth date • Its sex • Whether it has been sterilised or not • When it is due for its next inoculation • When it last had its wings clipped For each type of pet (eg. dog, cat or bird) you would typically define a class to hold the relevant data. Note: You do not need to implement these classes. Just answer the following questions. 3.1.1 What would be the advantage of creating a superclass (eg. Pet) and declaring an array of Pet objects over simply using an array of Objects, storing each of the instances of the different pet classes (eg. Dog, Cat or Bird) in it? 3.1.2 Would you define Pet as a class or as an interface? Why? (2) (2)
What is java virtual machine and how it is considered in context of java’s platform independent feature?
What is difference between string and stringbuffer?
What is the size of integer?
What are methods in java?
Is empty set an element of empty set?
What is reflexive association?
How do you override a variable in java?
Is alive and join method in java?