Before going into the details I will state the requirement: I need to fetch certain records from 3 different tables into 3 ArrayLists. I have 3 Classes which store the information: Lets name it- Class1, Class2, Class3. All the above… Read More ›
interfaces
Things one has to know about Interfaces in Java
The following article is mainly focused at beginners who are not much familiar to Java. It can also be a quick recap tool for Java Developers. What are Interfaces? Interfaces are 100 percent abstract classes i.e it defines only abstract… Read More ›
Interface Vs Abstract Class
There are three differences between an interface and an abstract class: you can implement multiple interfaces at the same time, but only extend one class, an abstract class is allowed to contain implementation (non-abstract methods, constructors, instance initializers and instance… Read More ›