String s$1=$ "Hello world";

String s$2=$ s$1$;

Identify the true statements about the code above. Select ALL that apply.

Question $2$ options:

The s$1$ variable holds the string "Hello world".

The s$2$ variable holds the string "Hello world".

The s$1$ variable holds a reference to the string "Hello world".

The s$2$ variable holds a reference to the string "Hello world".