Core Java (All)

Downloading, Installing and Configuring Java First Time

Here we will discuss the details of downloading, installing and configuring java for first time. You will first find the steps in writing followed by complete screenshots of these steps as a slideshow. [node:read-more:link]

JDK, JRE, JVM, and Your First Java Program

Read about JDK, JRE, JVM, classes, objects and methods in brief and write, compile and execute your first java program. Discusses why Java is called as a compiled interpreted language and also why java is platform independent. [node:read-more:link]

Enumeration, Iterator and ListIterator in Java

Both Enumeration and Iterator are interfaces in Java for getting successive elements. Enumeration is older while iterator was introduced later with some improvements. Iterator has taken the place of Enumeration in the Java collections framework. ListIterator is a sub-interface of Iterator and allows the programmer to traverse the list in either direction, modify the list during iteration, and obtain the iterator's current position in the list.  [node:read-more:link]

Summary of Object-Oriented Programming (OOP) Concepts in Java

Object-Oriented Programming (OOP) uses "objects" to model realworld objects. Object-Oriented Programming (OOP) consist of some important concepts namely Encapsulation, Polymorphism, Inheritance and Abstraction. These features are generally referred to as the OOPS concepts.  [node:read-more:link]

Enums In Java - with Examples, Advantages & Use Cases

Enums in java are classes and each constant in an enum is a public final static field that represents an instance of its enum class. Unlike enums in java which are classes, traditional enumerated types ( used in java before java 5 and in some other languages) were a set of int/String constants. [node:read-more:link]


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