About Java
“Java refers to several computer software products and specifications from Sun Microsystems (the Java™ technology) that together provide a system for developing and deploying cross-platform applications. Java is used in a wide variety of computing platforms spanning from embedded devices and mobile phones on the low end to enterprise servers and supercomputers on the high end. Java is fairly ubiquitous in mobile phones, Web servers, and enterprise applications, and somewhat less common in desktop applications, though users may have come across Java applets when browsing the Web.
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OOP is a particular style of programming which involves a particular way of designing solutions to particular problems. Most modern programming languages, including Java, support this paradigm. When speaking about OOP one has to mention: 1. Inheritance 2. Modularity 3. Polymorphism 4. Encapsulation (binding code and its data) However, at this point, it is too early to try to fully understand these concepts. This guide is divided into two major sections, the first section is an introduction to the language and illustrates various examples of code while the second part goes into more detail.