OnJava8-Examples/innerclasses/MultiImplementation.java
Bruce Eckel 49edcc8b17 reorg
2015-06-15 17:47:35 -07:00

24 lines
559 B
Java

//: innerclasses/MultiImplementation.java
// ©2015 MindView LLC: see Copyright.txt
// With concrete or abstract classes, inner
// classes are the only way to produce the effect
// of "multiple implementation inheritance."
package innerclasses;
class D {}
abstract class E {}
class Z extends D {
E makeE() { return new E() {}; }
}
public class MultiImplementation {
static void takesD(D d) {}
static void takesE(E e) {}
public static void main(String[] args) {
Z z = new Z();
takesD(z);
takesE(z.makeE());
}
} /* Output: (None) *///:~