Java Introduction

1.     “Writes  once  run  any where”

2.     Java  becomes  popular  because it can run in JVM

Means java virtual machine

-         Interpreted

-         JIT  compiler

3.     It is similar to C++  but in C++  the deallocation will be done by  programmer but in java deallocation will be done itself internally by using  garbage collector.

4.     In c and c++  it stores default  value as a garbage collector but in java it stores 

default value.