public access modifier

RULE: public is key word and it is an access modifier, we can apply this modifier for classes,methods and variables .

we  can access from the program and out side of the program of out side packages.

Recommended for classes and method  but not variables.

Demo:

package demo.publ;

public class DemoPublic

{

      public methodDemo

      {

           System.out.println("public method in demo.publi.Demopublic");

      }

}

package demo.pub2;

import demo.publi.DemoPublic;

public class UsePublic

{

       public static void main(String at[])

       {

           Demopublic p=new Demopublic();

           p.methodDemo();

       }

}