Thinks to Know about Java Programming

- Java program is created in the year 1995.
- Designed by James Gosli
- Developer Sun Sun Microsystems
- Type of Program Object Oriented Program(OOPs).
- Website for download www.oracle.com/java.
- Java is used for develop APP for ios and Android devies
- Video Game development , Desktop GUI(Graphical User Interfaces), Software devlopment.
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James Gosling
- Pros of java
- Java Developers are great demand in profession.
- They continued to add new features .
- To build android App development Java helps very well.
- Java is OOP program so C++ developers understand easily.
- Java is a Platform Independent(easily move one computer to another very easily) but but the JVM needs to be present on the machine.
- Java memory is divided into two parts one is heap and another is stack.
- Java is multithreaded, So they have potential for a program to perform many tasks at the same time.
- Disadvantage
- Java requires more memory than C, and C++.
- Not easy to understand the language.
- Slow startup time.
- The Look and feel is complex GUI applications written in Java using the Swing toolkit is very different from native applications.
- Single paradigm .
- Memory management by garbage collection, when the garbage collector runs, it affects the performance of the application.
- Java in Job Market
- Average salary of java developer is $102000.
- Java is used to build Gmail,minecraft.
- Java fascinating fact are, The original name of Java is oak because a big oak tree is grow in frond of james home,Java is the basis of android Operating system.
- Syntax
The java is oop language because of that some where we can see the similarity with C++.
- The comment in Java is same as C and C++ in between “/* * /” .
public class HelloWorldApp { public static void main(String[] args) { System.out.println("Hello World!"); // Prints the string to the console. } }