What are three advantages of using functions?
What does java stand for?
State two differences between C and Java.
Can we override private method?
What is the difference between overriding & overloading?
Is hashset ordered 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 boolean query?
What do you mean by garbage collection used in java?
What is parsing and its types?
how can we synchronize Hash map?
How can we run a java program without making any object?
What is mean by collections in java?