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Strings - Programming

Q1:

Which of the following statements will correctly copy the contents of one string into another ?

A 
String s1 = "String";
String s2; 
s2 = s1;

B 
String s1 = "String" ; 
String s2;
s2 = String.Concat(s1, s2);

C 
String s1 = "String"; 
String s2;
s2 = String.Copy(s1);

D 
String s1 = "String"; 
String s2;
s2 = s1.Replace();

E 
String s1 = "String"; 
String s2;
s2 = s2.StringCopy(s1);

ANS:C - 

String s1 = "String"; 
String s2;
s2 = String.Copy(s1);

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