Showing posts with label Java. Show all posts
Showing posts with label Java. Show all posts

Sunday, December 16, 2018

Introduction To Java Language - Developed By James Gosling

What is Java? 

Actually Java was developed by James Gosling at Sun microsystems,Inc.     Java originated at Sun Microsystem,Inc. in 1991.Vinod Khosla was the co-founder of sun Microsystem.

History of Java:

  • Actually Java was developed by James Gosling at Sun microsystems,Inc.
  • Java originated at Sun Microsystem,Inc. in 1991.
  • Vinod Khosla was the co-founder of sun Microsystem.
  • On January 27 2010 some was acquired by Oracle Corporation for US$7.4billion .
As we know that Java have a slogan that means "Java is everywhere" and which is the most important factor as a purpose for marketing as well as competition for programming languages.
  • Java resides in mobiles,client machines,embedded devices,smart phones,cloud etc.
  • It shares the same basic feature of the language and libraries.
  • Principle of Java: Write once,run anywhere (WORA)

What is library?

  • Java library is a collection of predefined classes.
  • You can use these class either by inheriting them or by instantiating them.
John flavours:
  • Java SE (Core Java)
  • Java EE (Advance Java)
  • Java ME (Micro Edition for mobiles)
Version history of Java: 

Java SE (Core Java) ,Java EE (Advance Java) ,Java ME (Micro Edition for mobiles)
 
Features of Java:
  • Simple portable multi threaded garbage collector
  • Object oriented language distributed
  • Robust
  • Interpreted
  • Secure
  • Garbage collector
  • Portable
  • Multi-threaded

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