This is a follow-up question to some previous questions about String initialization in Java.
After some small tests in Java, I'm facing the following question:
Why can I execute this statement
String concatenated = str2 + " a_literal_string";
String object initialized to
String str2 = null;) but I cannot call the method
str2? Then how does Java do the concatenation of a null String object and a string literal?
By the way, I tried also to concatenate an Integer initialized to null and the string literal
"a_literal_string" and I've got the same thing that is
"null a_literal_string" in the console. So whichever kind of null gives the same thing?
System.out.println(concatenated); gives null a_literal_string as output in the console.