What is the difference between long.class and long.type?

1106

What is the use of a conditional inclusion statement in Java ?

1092

what is aggregation in java?

1010

Is array a class in java?

972

What is scalable, portability in the view of J2EE?

2528

Is javafx better than swing?

1048

Difference between object instantiation and construction ?

1060

What means public static?

1034

How do we call one servlet from another servlet?

1045

Does WebSphere Application Server work with NIS?

971

Why do we use ejb?

994

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)

1817

What is the difference between compiler and jvm?

1050

Does entitymanager flush commit?

382

How does jdbc work?

883