#Java

Now a days in computer languages java is very famous . it is developed by James Gosling in Sun MicroSystem in 1991. initially it was developed for the TVs, VCR and other electronic devices .

it is really a simple and powerful language earlier it's name was Oak after it is changed. Approax 1 Billion Devices runs on java applications now a day's. Java is like Boon for Programming.

Java features

• Platform independent and portable
• Familiar simple and small
• High Performance
• Multithreaded
• Object oriented

java works with object and classes that's why it it different with c . Java does not support some features of C statements and keywords. Java does not have template classes as in C++, java does not support pointers and global varibles as in C and C++ , there are no header files in Java.

Java programs

we can create two types of java program

• Stand alone applications
• Web applets

Java program examples

public Class message

{

public static void main (String args[])

{

System.out.println("Java is backbone of programming");

}

Output

Java is backbone of programming. 

Java Compilers

• BlueJ
• jEdit
• Android Studio
• Netbeans
• jGRASP

Note-

• Java works on 'ByteCode'.
• it's programs works on WORA (Write Once Run  Anywhere).