9. Java and Multiple Inheritance, Cont.

• For example,

  • You found a suitable interface in existing Java software: it already has 10 functions.

  • Of these 10 functions you may need only 3. However, you are forced to implement all of the functions simply because Java forces you to do so.

  • Solution 1: keep the interfaces small.

  • Impractical solution 2: hope that one day Java will have default method implementation...