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What is the Comparable interface?
Comparable interface is used to sort arrays and collections of objects using collections.sort() and java.utils. Objects of the class implementing Comparable interface can be ordered. All classes implementing Comparable interface should implement the compareTo() method which has the return type as an integer. Signature of compareTo() method is as below:
int i = object1.compareTo(object2)
What is Multiple Inheritance ? A few object oriented languages, notably C++, permits a class to inherit from more than one unrelated class. This is known as multiple inheritanc
Alia is appearing for the board exams. In order to qualify for the next class Alia need to get exactly X credits. In current semester Alia has to study N number of subjects, and ev
An application server creates data for a Web server - as, collecting data from databases, processing security checks, applying relevant business programs, and/or storing the state
Describe Polymorphism? Polymorphism can be referred as one name many forms. It's the ability of methods to behave differently, depending upon object who is calling it. Key feat
1. final - it is a constant declaration. 2. finally - handles exception. The finally block is optional and gives a mechanism to clean up regardless of what occurs within
Each time an object is started in Java it goes into the area of memory named as heap. The primitive variables like double and int are allocated in the stack, if they are local inst
i need java program for account to hold payment of student
1. The purpose of this problem is to practice using generics. Create a generic class with a type parameter that simulates drawing an item at random out of a box. For exampl
write a program that counts the number of occurrences of the string in the n-th Padovan string P(n). program in java // aakash , suraj , prem sasi kumar kamaraj college
How do I prevent the output of my JSP or Servlet pages from being cached by the browser? Ans) You will require to set the appropriate HTTP header attributes to stop the dynamic
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