Java Access Modifier

                                                            Java Access Modifier

basically Java access Modifiers are four type as below :

1. Private
2.Default
3.Public
4. Protected


non-Access modifiers are : Static , Abstract , native and Synchronized etc.



1. Private Access Modifier : private access modifier is accessible only within class.
2. Default : it is accessible only within package.
3. Public : public access modifier is access in every where .
4. Protected : its accessible within package or outside package but throw inheritance only.



below are the table for access modifier:

Access Modifier	within class	within package	outside package by subclass only	outside package
private	Yes	No	No	No
Default	Yes	yes	No	No
Protected	yes	yes	Yes	No
public	yes	yes	yes	Yes

Example for all:



package indrajeet.com.defaultpackage.test;

public class DefaultTestClass {

int a=40;


}



package indrajeet.com.defaultpackage.test;

public class ProtectedTestClass {

protected int b=20;


protected void getAccess()
{
System.out.println(b);
}

}


package indrajeet.com.defaultpackage.test.importpackage;

import indrajeet.com.defaultpackage.test.DefaultTestClass;

public class AcessModifierMainclass {

public static void main(String[] args) {

DefaultTestClass object1=new DefaultTestClass();
//System.out.println(object1.a);  default access modifier can be access only within package.
ProtectedAccessClass object2=new ProtectedAccessClass(5);
ProtectedAccessClass object3=new ProtectedAccessClass();
 
}


}

class ProtectedAccessClass extends ProtectedTestClass {

 public ProtectedAccessClass()
 {
this(3);
 }

public ProtectedAccessClass(int i) {
System.out.println(i);
}




}