What is default locale java?
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Why does java not allow multiple public classes in a java file ?
Describe different states of a thread.
What is difference between call by value and call by reference?
What is the difference between stored procedure & function?
What does flag mean in java?
How many bytes are there?
Which methods cannot be overridden in 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)
How are variables stored?
How is a structure different from array ?
Why is it important to initialize a variable?
What is a cup of java?
Core Java 
