int ints[] = { 3, 7, 8, 2, -5, 8, 9, -2 };
IntArray array = new IntArray( ints );
System.out.println( "array = " + array );
Integer negative = (Integer)Finding.detect( array, new NegativeNumber() );
System.out.println( "first negative = " + negative );
boolean some = Finding.some( array, new NegativeNumber() );
System.out.println( "some items are negative = " + some );
