Is it safe for adding 10,00,000 records/objects to HashMap?, i.e is it safe to add millions of objects to HashMap?
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how to convert Java project into Maven ?
What is meant by class loader? How many types are there? When will we use them?
How the interruptible method gets implemented?
What is anti pattern in programming?
Explain the importance of join() method in thread class?
Is arraylist dynamic in java?
When is finally block not called?
What are the different types of constructor?
when a request is generated from apache tomcat 5.5 and goes to oracle 10g or mysql,,, how the oracle or mysql reads the request as apache is a web server and oracle 10g is application server? when the oracle 10g provides response, how the apche tomcat reads it???
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)
Is null a string in java?
What is the method overriding?
I am unable to find or learn about print command. I have a graphical program in core java in applet but i want to give print command but i have coding for that so if anyone know about this plz mail me on avdhesh_chauhan007@yahoo.co.in
Why we use methods in java?
Why are lists ordered in java?