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Explain traversing through a collector using Iterator. Ans. We can access each element in Collection by using Iterators regardless of how they are organized in collector. Ite
Can we use the constructor, instead of init(), to initialize servlet? Ans) Yes. Of course you can use the constructor instead of init(). There's nothing to stop you. But you sho
I earn .... Rs per month. if mobile costs 20% of my earning. I will buy in cash. if costs more than 20%. I will buy in 3 months installments without interest. if costs more than 40
Project Description: Develop an android service app that will run on the background. The app has to get the users location (longitude and latitude) every 5 minutes or when th
Objective: create a simple object, put that object in a simple collection class, use that object and collection in a simple GUI application. Specification: Consider a Librar
Describe toString() Methods ? Print methods are general in some languages, but most Java programs operate differently. You can use System.out.println() to print any object. The
What do you understand by private, protected and public? These are accessibility modifiers. Private is the most restrictive, whereas public is the least restrictive. There is n
How many JSP scripting elements and what are they? Ans) Three scripting language elements are there: a) declarations, b) scriptlets, c) expressions.
Struts is a framework with set of co operating servlets, classes and JSP tags that create a reusable MVC 2 design. 1. Client (Browser) : A request from the cli
What is an immutable object? An immutable object is one that we can't change once it's created. Steps involved in creation of an immutable object are: Make all of its data f
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