Example for "Reference to an object of any class that implements two or more given interfaces", http://stackoverflow.com/questions/20860880/reference-to-an-object-of-any-class-that-implements-two-or-more-given-interfaces

Program.java

/**
 * "Reference to an object of any class that implements two or more given interfaces"
 *  
 * http://stackoverflow.com/questions/20860880/reference-to-an-object-of-any-class-that-implements-two-or-more-given-interfaces
 * 
 * @author VJ
 *
 */
interface Foo { void foo(); }
interface Bar { void bar(); }

class Humpty implements Foo, Bar {
  public void foo() { System.out.println("Humpty.foo()"); }
  public void bar() { System.out.println("Humpty.bar()"); }
}

class Dumpty implements Foo, Bar {
  public void foo() { System.out.println("Dumpty.foo()"); }
  public void bar() { System.out.println("Dumpty.bar()"); }
}

@SuppressWarnings("unchecked")
public class Program {
  public static<FooBar extends Foo & Bar> void main(String[] args) {
	FooBar foobar = (FooBar) new Humpty<FooBar>();
    foobar.foo();
    foobar.bar();

    foobar = (FooBar) new Dumpty();
    foobar.foo();
    foobar.bar();
  }
}