private int foo;
public int getFoo() {
   return foo;
}
public void setFoo(int foo) {
   this.foo=foo;
}

##</code><code>##

Here the methods have meaning to the object

thing.move(+1,-1);

Here we just have a "objectified" data structure
and we aren't really OO

thing.setX(thing.getX()+1,thing.getY()-1)