[Solved] What will be the output of this C# code?string part1 = "code"; string part2 = part1 + "123"; Console.WriteLine(part2.Length); | C Sharp (C#)

C Sharp (C#) - Strings and StringBuilder

What will be the output of this C# code?

string part1 = "code";
string part2 = part1 + "123";
Console.WriteLine(part2.Length);

A3

B6

C4

D7

Step-by-Step Solution

Solution:

Step 1: Analyze string concatenation
part1 is "code" (length 4), concatenated with "123" (length 3).
Step 2: Calculate total length
Combined string is "code123" with length 7.
Final Answer:
7 -> Option D
Quick Check:
Sum lengths of concatenated strings [OK]

Quick Trick: Add lengths of concatenated strings [OK]

Common Mistakes:

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