About Variables (Instance, Class Or Static, Local, Parameter Or Arguments) In Java Programming Tutorial, Example and Code



About Variables Instance Class Or Static Local Parameter Or Arguments In Java Programming Tutorial, Example and Code

About Local Variable In Java Programming
About Instance Variable In Java Programming
About Class Or Static Variable In Java Programming
About Parameters Or Arguments Variable In Java Programming

All Variables in single example:

Create the Java Project in Eclipse and user the below VariablesInJavaProgramming.java code:

Open the eclipse and click on the File
New
Project
Java Project
Next
Enter the Project Name: Variables_In_Java_Programming
Choose the Java Project
Click on the next
Next
Finished




package com.variables.tutorialbyexample;
public class VariablesInJavaProgramming {

       // Declared and instantiated with 100 value

       // This is also called as filed.

        private  int iInstanceVariables = 100;

        // Class or Static variable

        public   static   int  iClassOrStaticVarible = 1;


       // Class or Static variable as final, we can't change the value and name

       // must be in capital

        public   static   final   int   I_CLASS_OR_STATIC_FINAL_VARIBLE  = 200;


       // Default Constructor

        public  VariablesInJavaProgramming() {

       }


       // Constructor parameter

        public  VariablesInJavaProgramming( int  iParameterOrArgument) {

              // Overriding the value of iInstanceVariables by iParameterOrArgument

              // value.

               this .iInstanceVariables = iParameterOrArgument;

       }

        private   void  print(Object oParameter) {

              Object oLocalVaribles = oParameter;

              System. out .println(oLocalVaribles);

       }

        public   static   void  main(String[] args) {

              VariablesInJavaProgramming objVariablesInJavaProgramming =  new 
                                     VariablesInJavaProgramming();

              objVariablesInJavaProgramming

                           .print("Hello iInstanceVariables you have value =" 

                   + objVariablesInJavaProgramming.iInstanceVariables);

              objVariablesInJavaProgramming.iInstanceVariables = 300;

              objVariablesInJavaProgramming

                           .print("Hello iInstanceVariables you have value =" 

                  + objVariablesInJavaProgramming.iInstanceVariables);

       objVariablesInJavaProgramming.print("Hello iClassOrStaticVarible you have value ="                  + iClassOrStaticVarible);


              objVariablesInJavaProgramming.iClassOrStaticVarible = 2004;

       objVariablesInJavaProgramming.print("Hello iClassOrStaticVarible you have value ="                  + iClassOrStaticVarible);

              VariablesInJavaProgramming objVariablesInJavaProgrammingOne =  new 

                         VariablesInJavaProgramming();

    objVariablesInJavaProgrammingOne.print("Hello iClassOrStaticVarible you have value ="                  + iClassOrStaticVarible);

              objVariablesInJavaProgramming

                          .print("Hello I_CLASS_OR_STATIC_FINAL_VARIBLE you have value ="                  +  I_CLASS_OR_STATIC_FINAL_VARIBLE );

               VariablesInJavaProgramming objVariablesInJavaProgrammingTwo =  new 

                         VariablesInJavaProgramming(500);

     objVariablesInJavaProgrammingTwo.print("Hello iInstanceVariables you have value =" 

                  + objVariablesInJavaProgrammingTwo.iInstanceVariables);

              objVariablesInJavaProgramming =  null ;

              objVariablesInJavaProgrammingOne =  null ;

              objVariablesInJavaProgrammingTwo =  null ;

     objVariablesInJavaProgrammingTwo.print("Hello iInstanceVariables you have value =" 

                  + objVariablesInJavaProgrammingTwo.iInstanceVariables);

       }

}
This is all about Variable in Java programming.
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