C#•3y ago

❔ arent strings reference types?

string str1 = "string 1";
string str2 = "string 2";

str1 = str2;
str1 = "BLAHH";

Console.WriteLine(str1 + "\t" + str2);
Console.ReadKey();

string str1 = "string 1";
string str2 = "string 2";

str1 = str2;
str1 = "BLAHH";

Console.WriteLine(str1 + "\t" + str2);
Console.ReadKey();

why doesnt this print out

BLAHH               BLAHH

BLAHH               BLAHH

333fred•4/4/23, 5:24 AM

Strings are reference types. However, you are confusing what that means here

333fred•4/4/23, 5:24 AM

is a reference. When you reassign it, you're not changing other references to that same value

333fred•4/4/23, 5:25 AM

You never changed what is ("string 2"), so it never changes

3333fred Strings are reference types. However, you are confusing what that means here

ScartissueOP•4/4/23, 5:29 AM

what about this case

ScartissueOP•4/4/23, 5:29 AM

is pointing to

ScartissueOP•4/4/23, 5:29 AM

and is changed to

ScartissueOP•4/4/23, 5:29 AM

but it doesnt change

Jimmacle•4/4/23, 5:30 AM

you're misunderstanding

Jimmacle•4/4/23, 5:31 AM

isn't changing the value of the string references, it's changing the reference to an entirely new string. so the contents of the string that references never changes

Jimmacle•4/4/23, 5:31 AM

C# strings are immutable

SScartissue ``str1`` is pointing to ``str2``

333fred•4/4/23, 5:40 AM

No. is pointing to the same string that is pointing to. Then, you reassign to point to a new string. That doesn't affect what is pointing to

ScartissueOP•4/4/23, 6:14 AM

ooh

Thalnos•4/4/23, 7:50 AM

this immutability is also why people often say string is a reference type that behaves like a value type. This is how I remember it

333fred•4/4/23, 3:10 PM

This has nothing to do with string immutability, and all reference types have exactly the same behavior as these examples

TThalnos this immutability is also why people often say string is a reference type that b...

Jester•4/4/23, 6:40 PM

thats when youre comparing strings

Thalnos•4/5/23, 7:10 AM

right, sorry

Accord•4/6/23, 7:22 AM

Was this issue resolved? If so, run

/close

/close

otherwise I will mark this as stale and this post will be archived until there is new activity.