import java.io.* ;

interface i1
{
    public void foo() ;
}

interface i2
{
    public void foo() ;
}

interface i3
{
    public void foo() ;
}

interface i4
{
    public int foo(int arg1) ;
}

interface i5
{
}

public class multiple1
{

 public static void main( String args[] )
  {
     //Normal Lambda object
     Runnable runnableObject = () -> System.out.println("Serializable!");
    //Allowed
    Runnable runnableObject1 = (Runnable & Serializable)() -> System.out.println("Serializable!");

    if( runnableObject1 instanceof Serializable )
      System.out.println( "runnableObject1 is Serializable") ;

    Serializable runnableObject2 = (Runnable & Serializable)() -> System.out.println("Serializable!");
    //Compiler error because Serializable does not have any methods.
    //runnableObject2.run() ;

    //Allowed
    i1 i1Object = (i1 & i2 )() -> System.out.println("2 interfaces with a single method of the same signature.");
    if( i1Object instanceof i2 )
      System.out.println( "i1Object also implements i2.") ;

    i1Object.foo() ;
    //Allowed
    i1 i1Object1 = (i1 & i2 & i3)() -> System.out.println("3 interfaces with same signatures.");

    //Compiler error i4 has a different method signature
    //i1 i1Object2 = (i1 & i2 & i4)() -> System.out.println("3 interfaces with different signatures.");

    //Allowed
    i1 i1Object3 = (i1 & i2 & i5)() -> System.out.println("3 interfaces with a marker interface.");

  }

}