Define iterator and methods in iterator?
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What is the use join() in Threads ?
Write the program numbers into words.For example 2345==two thousand three hundred fourty five
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)
diff. b/w JAVA and javascript...
Why null interfaces are used in Java?
Why you should not use singleton?
where to use join method and explain with real time senario?and programatical explenation also..
What is meant by structural programming?
How static variable work in java?
Hi i am creating desktop application in that i want calling to mobile number. i have java telephone api (JTAPI) but i dont understand how it configure & use plese help me
Which way a developer should use for creating thread, i.e. Sub classing thread or implementing runnable.
What is the use of System class?