Explain restrictions on using enum?
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What is the difference between the size and capacity of a vector?
Write the algorithm to check the number non-leaf nodes in a tree.
What is indexof?
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 are virtual functions?
What is bubble sorting in java?
What are 3 data types?
Is final static java?
what is the purpose of "virtual"?
Explain the overview of UDP messaging.
What is Java Classloader?
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Which is easier .net or java?