Java is a language of object-oriented programming (OOP-Object Oriented Programming). OOP paradigm to solve the problem by representing the problem to the object model.
Object Oriented Programming (OOP)
Objects in OOP
The objects in the real world, has two special characteristics: Status and Behavior. For example, bicycles have the status (number of gears, the number of pedals, two tires) and behavior (braking, accelerating, change gear).
Object-oriented languages also have the same characteristics as the objects in the real world. Namely the status of the programming language are usually stored as Variables and behaviors that are implemented as methods.
Java History
Starting in 1991 the establishment of a team that is named green
The team is led by Patrick Naughton and James Gosling (A group of Sun engineers).
Initially they wanted to create a computer language that can be used by cable TV (Cable TV Box) which has a small memory and each company has different types.
To apply these terms they use things that had been tried by the pascal language.
Previous Niclaus Wirth has made a portable language that will be used in subsequent shadow machine is called a Virtual Machine but when it has not been announced.
Finally, the green team are using this idea eventually they created a Java Virtual Machine.
This machine virtually menbuat java can be run in various platforms.
In 1992 the green team make a product that is named * 7 (Star Seven)
But these products fail in the market.
After that created a new product. This is the java, programming language originally created was given the name "oak" (probably the name is taken from a tree that is in front of the window James Gosling)
But after a review found the name of oak has been used. Thus was born the name "Java" In 1993 until mid-1994 green team that has a new name First Person. Inc. just spend time with respect to the sale of its products. Apparently no one person was found. Finally in 1994 First Person dissolved.
In that year the Web is growing very rapidly when it is widely used browser is Mosaic a broser free.
In an interview in mid-1994 James Gosling said, "We Could Build a real cool browser. It was one of the Few Things in the client / serve mainstream That needed Some of the weird Things we'd done: architecture neutral, real-time, reliable, secure-weren't terribly That Important issues in the workstation world. So We built a browser. "
Finally made a browser by Patrick Naughton and Jonathan Payne.
The browser was named Hot Java. This browser is created using java language to show Traffic from java.
That is not less great they also create a technology called a browser applet that can run within the browser program code.
This is proof of the technology shown java on 25 May 1995
Since then the browser java provide licensed to other browser to be able to run the applet and in 1996 awarded in Internet Explorer.
Finally in 1996 released the first version of java with java issue 1:02 In 1998 removed java 1.2 and java start out the slogan "Write once, Run anywhre"
Java Edition
Java is a language that can be run anywhere and at any any platform, in various lingkngan: Internet, intranets, consumer electronics products, and computer applications.The java 2 platform is available in 3 editions for different purposes. For a variety of applications created with the Java language, Java bundled in edis - following editions:
1.Java 2 Standard Edition (J2SE)
2.Java 2 Enterprise Editiopn (J2EE)
3.Java 2 Micro Edition (J2ME)
Each - each edition contains the Java 2 Software Development Kit (J2SDK) to develop applications and Java 2 Runtime Environent (j2re) to run applications.
Java advantages in comparison with C + +
Makers have been designing java java program to eliminate the allocation and deallocation of memory manually, because Java has Garbage Collection The introduction of the actual array declaration and eliminate pointer arithmetic. This often causes a memory overwrite.Removal of multiple inheritance, they replace it with the interface.
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