Java Advanced Programming Tutorial 8 Interfaces Part 2

How to create an interface in java

[ZeDeX-art]

Its so good tutorial but its outdated :C

[VERYGOODGAMER]

is this the same as using an abstract as a "God" class that forces inheritance?
I am making a D&D style text game and used abstract class for inheritence

[williamsapplicatie]

do this still works if i delete the  public constructor  "public FordFocus".
and  initiliaze  a instant of a class in the main method." FordFocus f = new FordFocus();
??