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Explain the term - Garbage Collection
Java performs garbage collection and eliminates the need to free objects explicitly. When an object has no references to it anywhere except in other objects that are also unreferenced, its space can be reclaimed.
Before an object is destroyed, it might be essential for the object to perform some action. For illustration:
to close an opened file. In such a case, define a finalize() method with actions to be performed before object is destroyed.
What is Inheritance in java Explain with example? Code reusability is claimed to be a key advantage of object-oriented languages over non-object-oriented languages. Inheritance
AJAX- HTML- XML- CSS and Tomcat used in Java: Project Title: Zee Ads Role : Developer Domain : Web Ads Environment
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
Describe Member Variables vs. Local Variables ? class Car { String licensePlate = ""; // member variable double speed; = 0.0; // member variable double maxSp
How can you define a consistent web design? Why is it needed? A consistent excellent designed website is generated for common public which permits users to attain what they nee
What is the role of hub in networks? The network traffic controller - elements of convential computer networks. Hub is used to link the different computers within the network i
A Padovan string P(n) for a natural number n is defined as: P(0)=''X'' P(1)=''Y'' P(2)=''Z'' for a string characters ''X'',''Y'',''Z'' only,and given value of n,write a program th
Java has two kinds of exceptions: 1. Checked exception: handled from java.lang.Exception but not java.lang.RuntimeException. 2. Unchecked exception: handled from java.lang.Ru
Explain the user defined Exceptions. User Defined Exceptions are the exceptions which are defined by user for specific purposed. This enables custom exceptions to be generated
what are constructor?
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