Java Abstract Interface

Package edu. javase. buffer;

  Abstract     Class  ABS {
  Abstract     Void  Fun1 ();  //  Abstract Method  
  
  Abstract     Void  Fun2 ();

 Public     Void  Method (){
System.  Out  . Println (  "  In abstract using  "  );
}

  Public     Void  Method2 (){
System.  Out  . Println ( "  Class ABS method2...  "  );
}
}

  Interface  Face1 {
  Public     Void  Facefun1 ();
}

  Interface  Face2 {
  Public     Void  Facefun2 ();
}

 Public     Class  Abstractdemo extends ABS implements face1, face2 {
  Public     Static     Void  Main (string [] ARGs ){
Abstractdemo  =     New  Abstractdemo ();
A. fun1 ();  // Abstract implementation  
  A. facefun1 ();  //  Interface implementation  
  
A. Method ();  //  Abstract Implementation Method  
  A. method2 ();  //  Abstract Implementation Method  
  }

  // Override abstract Implementation Method  
    Public     Void  Method2 (){
System.  Out  . Println (  "  Class abstractdemo method2...  "  );
}

  //  Abstract methods must be implemented  
 @ Override
  Void  Fun1 (){
System.  Out  . Println (  "  Fun1  "  );

}

@ Override
  Void  Fun2 (){
System.  Out  . Println (  "  Fun2  " );
}

  //  Interface methods must be implemented  
  @ Override
  Public     Void  Facefun1 (){
System.  Out  . Println (  "  Facefun1  "  );

}

@ Override
  Public    Void  Facefun2 (){
System.  Out  . Println (  "  Facefun2  "  );
}

}  /*  
* Output:
Fun1
Facefun1
In abstract using
Class ABS method2...
  *///  :~