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Encapsulation in Object Oriented Programming In Hindi #2

1,060 views · Published 27 January 2018 · 14:36 · Indexed 29 October 2026

Channel: AndroJavaTech4U · 2018 · Science & Technology

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In this video you will learn about Java Encapsulation. Encapsulation is one of the most useful object oriented programming concept that all should understand well.
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Encapsulation:-

It is the process of wrapping the datamember and member function into a single unit called class.


Java Bean:-
It Is general purpose resuble code which having fallowing feature form a normal class:-

1)-It sould be public.
2)-Its Datamember should be private.
3)-Its should have public setter and getter method(properties method)
4)-Its should be inside package.
5)-Its should  have public default constructor.
6)-This class should not extends any specific class or implements any specific interface, but must implements java.io.Serilizable

Program-
package com.androjavatech4u.login;
public class Login  implements java.io.Serializable
{
private String name,pass;

public void setName(String name)
{
this.name=name;
}
public void setPass(String pass)
{
this.pass=pass;
}

public String getName()
{
return name;
}

public String getPass()
{
return pass;
}


public Login()
{
}
 
}


class Test
{


public static void main(String ss[])
{
Login l=new Login();
java.util.Scanner s=new java.util.Scanner(System.in);
System.out.println("Eneter Name");
String name=s.next();
System.out.println("Eneter Pass");
String pass=s.next();
l.setName(name);
l.setPass(pass);
String msg=Validation.validate(l);
if(msg.equals("success"))
javax.swing.JOptionPane.showMessageDialog(null,"Welcome="+l.getName());
else
javax.swing.JOptionPane.showMessageDialog(null,"invalid User Name or Pass");
}
}

class Validation
{

public static  String validate(Login l)
{
if(l.getName().equals("admin")&&l.getPass().equals("admin"))
return "success";
else
return "fail";
}
}

awt url-
https://www.youtube.com/watch?v=n9NF1O1xzCg&list=PLnfapp4WoqppnD7iLCygNJV41hrnQKa3b&index=1
path seting-
https://www.youtube.com/watch?v=k2gCo4oKKmg&index=20&list=PLnfapp4WoqpqWgXpfNvPCoQ3tEVUTnsYG

java doc-
https://www.youtube.com/watch?v=NLfXdTtW9q8&index=15&list=PLnfapp4WoqpqWgXpfNvPCoQ3tEVUTnsYG

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