About String object and pass-by-value in Java -

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this question has answer here:

i khow java pass-by-value, , when pass object method , change it,it change when out method. can't string object. example:

public class text  {     public void change(string a)     {         = "ha";     }      public static void main(string[] args)     {         text = new text();         string b = "hi";         a.change(b);         system.out.println(b);     } } 

a = "ha";

that statement analogous this:

a = new string("ha");

so if string not immutable, you'd have issue pointing a new string object.

what happening here "compiler magic" or "syntactic sugar" make easier declare string.


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