nuovi test

src/com/oracle/java8/associate/test/SoccerBall.java

@@ -0,0 +1,21 @@
+package com.oracle.java8.associate.test;
+
+abstract class Ball {
+	protected final int size;
+	public Ball(int size) {
+		this.size = size;
+	}
+}
+
+interface Equipment {}
+
+public class SoccerBall extends Ball implements Equipment {
+	public SoccerBall() {
+		super(5);
+	}
+	public Ball get() { return this; }
+	public static void main(String[] args) {
+		Equipment equipment = (Equipment) (Ball) new SoccerBall().get();
+		System.out.println(((SoccerBall) equipment).size);
+	}
+}