Which of the following is the correct syntax to concatenate two strings str1 and str2 in C#?

easy📝 Syntax Q12 of 15

C Sharp (C#) - Strings and StringBuilder

Which of the following is the correct syntax to concatenate two strings str1 and str2 in C#?

Astring result = str1 * str2;

Bstring result = str1 + str2;

Cstring result = str1 - str2;

Dstring result = str1 / str2;

Step-by-Step Solution

Solution:

Step 1: Identify valid operators for string concatenation
The + operator is used to join strings in C#. Other arithmetic operators like -, *, / are invalid for strings.
Step 2: Confirm syntax correctness
The statement string result = str1 + str2; correctly concatenates and assigns the result.
Final Answer:
string result = str1 + str2; -> Option B
Quick Check:
Use + for string join [OK]

Quick Trick: Use + to join strings, not arithmetic signs [OK]

Common Mistakes:

MISTAKES

Master "Strings and StringBuilder" in C Sharp (C#)

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More C Sharp (C#) Quizzes