package org.zy.demo.base;

public interface interfacedemo {

final string name="this is my name";    

}

package org.zy.demo.base;

public class interfaceimpl  implements interfacedemo{    

}

package org.zy.demo.base;

public class maindemo {

public static void  main(string[] args){

interfaceimpl ii=new interfaceimpl();

string name = interfacedemo.name;

system.out.println(name);

string n=ii.name;

system.out.println(n);

}

}

this is my name 

this is my name

public interface a{

a();

}

public interface a{

public a();

}