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When should I use abstract classes and when should I use interfaces?
Use Interface, when:
Use Abstract Class, when:
how would I become expert in collection framework
1. Make a class Rational to provide at least following methos and constructors: Rational r1= new Rational (3,5); Rational r2= new Rational (4,7); Rational r3=r1.add(r2);
Explain the Member Access Separator ? class Car { String licensePlate; // e.g. "New York 543 A23" double speed; // in kilometers per hour double maxSpeed; // in
how cani study java
In RPC the method invoker waits for the method to finish implementation and return the control back to the invoker. Therefore it is completely synchronous in nature. Whereas in JMS
Different modules in spring framework are:- a) The Core container module b) AOP module (Aspect Oriented Programming) c) Application context module d) JDBC abstractio
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
What are the types of Dependency Injection Spring supports? Ans) there are two types of Dependency Injection Spring a) Setter Injection: b) Constructor Injection:
How can we use Observer and Observable ?
Explain The ? operator in Java ? The value of a variable frequent depends on whether a particular boolean expression is or is not true and on nothing else. For example one ge
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