esempio
Integer x = 5;
Double y = 3.0;
System.out.println(x.compareTo(3)); 1 (5 > 3)
System.out.println(x.compareTo(5)); 0 (5 = 5)
System.out.println(x.compareTo(8)); -1 (5 < 8)
System.out.println(x.compareTo(y)); ERRORE (variabili wrapper di tipo diverso)
esempio
Integer x = 5;
Integer y = 5;
Integer z = 10;
Short a = 5;
System.out.println(x.equals(y)); true
System.out.println(x.equals(z)); false
System.out.println(x.equals(a)); false