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New Message on BDOTNET
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From: Luttappi9
Message 4 in Discussion
Hi
strings are reference types and they are passed by reference.
normally while u passing a string to a method, the copy of the reference will
be passed
eg.
test()
{
string s1 = "111";
//now memory for "111" is got alloted and s is refering to that memory
location
method(s1);
}
method(string s2)
{
//now s contains a 'copy of reference' which is still pointing to
"111"
s2 = "2222";
//this is same as s2 = new string("222");
//now new memory area is located for "222" and
s2 is now refering to location of "222"
}
here the important point to note is
s2 = "222" is same as s2=new string("222");
which is totaly reinitializing the string.
If u pass reference by reference, ie. method(ref string s2),
we will get the reference itself inside method()
and if u reinitialize the string then the original reference will get updated
bineesh av
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