How to display special characters in java?

Question

So, how would I display this set of characters in Java console application without using Unicode, if possible?

♦ ♥ ♣ ♠

They are created by pressing Alt + (3/4/5/6) button combination.

Answer 1

to display heart System.out.println("\❤");

You can find Java encoding for unicode characters here

Answer 2

With Unicode this is a simple problem:

System.out.println("UNICODE IDENTIFIER GOES HERE");

Without Unicode? I don't think it can be done.