Ab tum hi ho!!!

Dear reader,

I, the owner of this blog, take this opportunity to provide you a platform where you can share your "Ab tum hi ho!!!" stories.

The idea behind this concept is to share your true love stories and let the world know that how much love is there in this world.

So don't wait, just start posting your replies.

And yes, i forgot to pin point the meaning of this title: it is derived from a bollywood movie's (Aashiqui 2) chart buster track "Ab tum hi ho!!!"

Listen to the song here. while writing your story.

Keep loving.

Keep spreading love. 

Tutorial 17: Introduction to Interfaces

 

Tutorial 17: Introduction to Interfaces in Java

Code:

SamsungElectronics.java

package InterfaceDemo;

/**
 *
 * @author Ankit
 */
public interface SamsungElectronics {
    void play();
    void stop();
    void pause();
}

SamsungLEDTv.java

package InterfaceDemo;

/**
 *
 * @author Ankit
 */
public class SamsungLEDTv implements SamsungElectronics{

    @Override
    public void play() {
        System.out.println("LED TV is playing now");
    }

    @Override
    public void stop() {
        System.out.println("LED Tv has Stopped now");
    }

    @Override
    public void pause() {
        System.out.println("LED Tv has paused now");
    }
   
}

SamsungLCDTv.java

package InterfaceDemo;

/**
 *
 * @author Ankit
 */
public class SamusungLCDTv implements SamsungElectronics{

    @Override
    public void play() {
        System.out.println("LCD Tv is playing now");
    }

    @Override
    public void stop() {
        System.out.println("LCD Tv is stopped now.");
    }

    @Override
    public void pause() {
        System.out.println("LCD Tv is paused now");
    }
   
}

MainSamsung.java

package InterfaceDemo;

/**
 *
 * @author Ankit
 */
public class MainSamsung {
    public static void main(String[] args) {
        SamsungLEDTv s1 = new SamsungLEDTv();
        s1.play();
        s1.pause();
        s1.stop();
       
        SamusungLCDTv s2 = new SamusungLCDTv();
        s2.play();
        s2.pause();
        s2.stop();
    }
}

Tutorial 16: Abstract Classes in java

 
Tutorial 16: Abstract Classes in java

Code:

AbstractClass.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package AbstractDemo;

/**
 *
 * @author Ankit
 */
public abstract class AbstractClass {
    int x;
    int y;
   
    public void getData(){
        System.out.println("im in getData of Ab Class...");
    }
   
    public abstract void getData(int a, int b);
}

AbstractSubClass.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package AbstractDemo;

/**
 *
 * @author Ankit
 */
public class AbstractSubClass extends AbstractClass{

    @Override
    public void getData(int a, int b) {
        System.out.println("I am in getData of subclass...");
    }
   
}

AbstractClassMain.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package AbstractDemo;

/**
 *
 * @author Ankit
 */
public class AbstractClassMain {
    public static void main(String[] args) {
        AbstractClass ob1 = new AbstractClass() {

            @Override
            public void getData(int a, int b) {
                    System.out.println("im in getDAta with arguments of Main class....");
            }
        };
       
        ob1.x = 10;
        ob1.y = 20;
        ob1.getData();
        ob1.getData(ob1.x, ob1.y);
       
        AbstractSubClass ob2 = new AbstractSubClass();
        ob2.getData(10, 20);
    }
}

Note:

If a class extends an abstract class, it has to implement (override) all the abstract methods of that abstract class.

Tutorial 15: Static Methods and Static Blocks in Java

Tutorial 15: Static Methods and Static Blocks in Java

Code for this tutorial:

MainStaticDemo.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package StaticDemo;

/**
 *
 * @author Ankit
 */
public class MainStaticDemo {
    static{
        System.out.println("I am before main....");
    }
   
    //javac MainStatic.java
    //java MainStatic
    public static void main(String[] args) {
       
        StaticVariables.iNo1 = 0;
        StaticVariables o1 = new StaticVariables();
        StaticVariables o2 = new StaticVariables();
           
       
        //o1 has its own iNo2;
        //o2 has its own iNo2;
       
        o1.iNo2 = 10;
        o2.iNo2 = 20;
       
        //o1 and o2 shares iNo1; /// static
       
        System.out.println("o1's no2 is:"+o1.iNo2);
        System.out.println("o2's no2 is:"+o2.iNo2);
        System.out.println("iNo1 is:"+StaticVariables.iNo1);
       
       
        StaticVariables.callMeStatic();
       
       
       
               
    }
}

StaticVariables,java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package StaticDemo;

/**
 *
 * @author Ankit
 */
public class StaticVariables {
    static int iNo1;
    int iNo2;

    public StaticVariables() {
        iNo1++;
    }
   
    public static void callMeStatic(){
        System.out.println("I am from static method of class StaticVari.");
    }
   
}

Tutorial 14: Static Variables

Tutorial 14: Static Variables

Sample Code:  

MainStaticDemo.java

package StaticDemo;

/**
 *
 * @author Ankit
 */
public class MainStaticDemo {
    public static void main(String[] args) {
       
        StaticVariables.iNo1 = 0;
        StaticVariables o1 = new StaticVariables();
        StaticVariables o2 = new StaticVariables();
           
       
        //o1 has its own iNo2;
        //o2 has its own iNo2;
       
        o1.iNo2 = 10;
        o2.iNo2 = 20;
       
        //o1 and o2 shares iNo1; /// static
       
        System.out.println("o1's no2 is:"+o1.iNo2);
        System.out.println("o2's no2 is:"+o2.iNo2);
        System.out.println("iNo1 is:"+StaticVariables.iNo1);
       
       
               
    }
}

StaticVariables.java

 package StaticDemo;

/**
 *
 * @author Ankit
 */
public class StaticVariables {
    static int iNo1;
    int iNo2;

    public StaticVariables() {
        iNo1++;
    }
   
}

Tutorial 13: Multilevel Inheritance in java

Tutorial 13: Multilevel Inheritance in Java

Code:

Computer.java

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package MultilevelInheri;

/**
 *
 * @author Ankit
 */
public class Computer {
    private int totalUSBPorts;
    private int totalRAMinGBs;
   
    public void start(){
        System.out.println("yes i can start!!!");
    }
    public void shutdown(){
        System.out.println("yes i can shutdown!!!");
    }

    public int getTotalRAMinGBs() {
        return totalRAMinGBs;
    }

    public void setTotalRAMinGBs(int totalRAMinGBs) {
        this.totalRAMinGBs = totalRAMinGBs;
    }

    public int getTotalUSBPorts() {
        return totalUSBPorts;
    }

    public void setTotalUSBPorts(int totalUSBPorts) {
        this.totalUSBPorts = totalUSBPorts;
    }
   
}

Laptop.java

package MultilevelInheri;

/**
 *
 * @author Ankit
 */
public class Leptop extends Computer{
    private int totalBettryCells;

    public int getTotalBettryCells() {
        return totalBettryCells;
    }

    public void setTotalBettryCells(int totalBettryCells) {
        this.totalBettryCells = totalBettryCells;
    }
   
}

MacBook.java

package MultilevelInheri;

/**
 *
 * @author Ankit
 */
public class MacBook extends Leptop{
   
}

MultiInheri.java

package MultilevelInheri;

/**
 *
 * @author Ankit
 */
public class MainInheri {
    public static void main(String[] args) {
        MacBook myMacBook = new MacBook();
       
        myMacBook.setTotalBettryCells(9);
        myMacBook.setTotalRAMinGBs(8);
        myMacBook.setTotalUSBPorts(4);
       
        System.out.println("my macbook is equipted with "+myMacBook.getTotalBettryCells()+"bettry Cells");
        System.out.println("my macbook is equipeted with "+ myMacBook.getTotalRAMinGBs()+"RAM");
        System.out.println("my macbook is equ with "+ myMacBook.getTotalUSBPorts()+"USBs");
    }
}

Tutorial 12: Inheritance Getting Started

Tutorial 12: Inheritance Getting Started

Code:

Mom.java

package Inheritance;

/**
 *
 * @author Ankit
 */
public class Mom {
    private String strSkinTone;
    private String strEyes;

    public String getStrEyes() {
        return strEyes;
    }

    public void setStrEyes(String strEyes) {
        this.strEyes = strEyes;
    }

    public String getStrSkinTone() {
        return strSkinTone;
    }

    public void setStrSkinTone(String strSkinTone) {
        this.strSkinTone = strSkinTone;
    }
   
   
}

Child.java

package Inheritance;

/**
 *
 * @author Ankit
 */
public class Child extends Mom{
   
}

MainInheri.java

package Inheritance;

/**
 *
 * @author Ankit
 */
public class MainInheri {
    public static void main(String[] args) {
        Child John = new Child();
       
        John.setStrEyes("Brown");
        John.setStrSkinTone("Fair");
       
        System.out.println("John inherited eyes color from his mom: that is:"+John.getStrEyes());
        System.out.println("John inherited skintone from his mom and that is: "+ John.getStrSkinTone());
    }
}

Tutorial 11: Method Overloading

Tutorial 11: Method Overloading

Code: 

MethodOverloading.java

package Package2;


public class MethodOverloading {
    void printData(int a){
        System.out.println("value of a is:"+a);
    }
    void printData(int a, int b){
        System.out.println("value of a is:"+a);
        System.out.println("value of b is:"+b);
       
    }
    void printData(int a, int b, int c){
        System.out.println("value of a is:"+a);
        System.out.println("value of b is:"+b);
        System.out.println("value of c is:"+c);
    }
}

Tutorial 10: Constructor Overloading

Tutorial 10: Constructor Overloading

Code: 

MainConstOverloading.java 

package Package2;

/**
 *
 * @author Ankit
 */
public class MainConstOverloading {
    public static void main(String[] args) {
        MethodOverloading o1 = new MethodOverloading();
        o1.printData(10);
        o1.printData(20, 30);
        o1.printData(40, 50, 60);
    }
}

Tutorial 9: Introduction to Constructor for Rectangle class

Tutorial 9: Introduction to Constructor for Rectangle class

 Code:

MainRectangle.java 

package tutorial;
import tutorial.Rectangle;
/**
 *
 * @author Ankit
 */
public class MainRectangle {
    public static void main(String[] args) {
        //nameofclass objectname = new nameofclass();
        //instantiating the class
        Rectangle rectFirstRectangle = new Rectangle(10,20);
        Rectangle rectSecondRectangle = new Rectangle(50);
        Rectangle rectThirdRectangle = new Rectangle();
       
        //initialization of the data members of the Rectangle class
        //objname.datamembername;
        //rectFirstRectangle.setiLength(10);
        //rectFirstRectangle.setiWidth(20);
       
        //calculate area
        //access the methods of the class
        //int iAreaOfRectFirst = rectFirstRectangle.calcArea();
       
        //print out
       
        //System.out.println("area of my first rectangle is:"+ iAreaOfRectFirst);
        System.out.print("Area of my first rectangle of dimention:"+rectFirstRectangle.getiLength()+"*"+rectFirstRectangle.getiWidth());
        System.out.println(" is:"+rectFirstRectangle.calcArea());
       
         System.out.print("Area of my second rectangle of dimention:"+rectSecondRectangle.getiLength()+"*"+rectSecondRectangle.getiWidth());
        System.out.println(" is:"+rectSecondRectangle.calcArea());
       
         System.out.print("Area of my third rectangle of dimention:"+rectThirdRectangle.getiLength()+"*"+rectThirdRectangle.getiWidth());
        System.out.println(" is:"+rectThirdRectangle.calcArea());
    }
}

Rectangle.java

package tutorial;


public class Rectangle {
    //data memebers
    //variables of the class
    private int iLength;
    private int iWidth;
   
    //member functions
    //functions of the class
   
    int calcArea(){
        return (iLength*iWidth);
    }

    //constructors
    //two argument constructor with (int, int)
    public Rectangle(int iLength, int iWidth) {
        this.iLength = iLength;
        this.iWidth = iWidth;
    }

    //one argument constructor (int)
    public Rectangle(int iLength) {
        this.iLength = this.iWidth = iLength ;
    }

   
    //no argument constructor
    public Rectangle() {
        this.iLength = 0;
        this.iWidth = 0;
    }

    //do nothing constructor
//    public Rectangle() {
//    }

Tutorial 8: Setters and Getters for Rectangle Class

Tutorial 8: Setters and Getters for Rectangle Class

Tutorial 7: Object of Rectangle class

Tutorial 7: Object of Rectangle class

Tutorial 6: Introduction to rectangle class

Tutorial 6: Introduction to rectangle class

Tutorial 5: command line arugument

Tutorial 5: command line arugument

Code: 

CommandLineInput.java

package tutorial;

public class CommandLineInput {
    public static void main(String[] args) {
        String strTemp1 = args[0];
        String strTemp2 = args[1];
        System.out.println(strTemp1 + "\n" + strTemp2);
    }
}

Tutorial 4: char, boolean data types

Tutorial 4: char, boolean data types

Code: 

PrimitiveDataType.java 

package tutorial;


public class PrimitiveDataType {
    public static void main(String[] args) {
        //UNICODE = 65535;
        char chChar = 'A';
        System.out.println("our char variable is holding the value:"+chChar);
        boolean booFalse = true;
        System.out.println("our varible of type boolean is:" + booFalse);
        //int, float, double, long, char, boolean - primitive datatypes
    }
}

Tutorial 3: float, long and double data types

Tutorial 3: float, long and double data types

package tutorial;

public class Fractional {

    public static void main(String[] args) {
        //3.14 double
        //3.24f float
        float fNum = 3.24f;
        double dNum = 1.09999999999;
        long lNum = 222222222L;
        System.out.println("Value of Float number is:" + fNum);
        System.out.println("value of double variable is:" + dNum);
        System.out.println("value of long varialbe is:" + lNum);
    }
}

Tutorial 2: int data type in java with sout

Tutorial 1: Netbeans IDE & Hello World Program Java

Tutorial 1: Netbeans IDE & Hello World Program Java