String formatting - C#

Question

1.00/5 (2 votes)

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#1 - string str = "ABCDVER" + "1";
#2 - string str2 = "ABCDVER"; string str3 = "1";
#3 - string str1 = string.format("{0}{1}",str2,str3);

Line#1 and Line#2 gives same answer?. Please confirm.

Thanks
Arun

What I have tried:

#1 - string str = "ABCDVER" + "1";
#2 - string str2 = "ABCDVER"; string str3 = "1";
#3 - string str1 = string.format("{0}{1}",str2,str3);

Line#1 and Line#2 gives same answer?. Please confirm.

Thanks
Arun

Posted 17-Sep-16 0:13am

Arun_P

Updated 17-Sep-16 1:50am

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Comments

Philippe Mori 17-Sep-16 8:30am

Don't repeat your question twice.

Philippe Mori 17-Sep-16 8:34am

Try it. There are no value in asking such question! And if you are in an interview or an exam, don't ask question with your phone!

Patrice T 17-Sep-16 9:39am

There is an easy way to know, provided you have a compiler handy.

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OriginalGriff · Answer 1 · 2016-09-17T00:40:00

No.
Lines 1 and 3 give the same answer in that str and str1 are the same - but not 1 and 2.

You could have solved this very easily with the debugger, or even just by writing code:

C#

string str = "ABCDVER" + "1";
string str2 = "ABCDVER"; string str3 = "1";
string str1 = string.Format("{0}{1}", str2, str3);
if (str == str1) Console.WriteLine("Yes");
else Console.WriteLine("No");

Karthik_Mahalingam · Answer 2 · 2016-09-17T01:50:00

see visually

C#

class Program
{ 
    static void Main(string[] args)
    {
    string str = "ABCDVER" + "1";
    string str2 = "ABCDVER"; string str3 = "1";
    string str1 = string.Format("{0}{1}",str2,str3);
    System.Console.WriteLine(str);
    System.Console.WriteLine(str1);
    System.Console.WriteLine("is equal?: " +  (str1 == str));
    System.Console.ReadLine(); 
    } 
}

String formatting - C#

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