[Solved] How can you append text to an existing file "log.txt" using StreamWriter without overwriting it? - Ans: new StreamWriter("log.txt", append: true) | C Sharp (C#)

C Sharp (C#) - File IO

How can you append text to an existing file "log.txt" using StreamWriter without overwriting it?

Anew StreamWriter("log.txt", append: false)

BStreamWriter.AppendText("log.txt")

Cnew StreamWriter.Append("log.txt")

Dnew StreamWriter("log.txt", append: true)

Step-by-Step Solution

Solution:

Step 1: Recall StreamWriter constructor parameters
StreamWriter has a constructor with a boolean to specify append mode.
Step 2: Identify correct append usage
Passing append: true opens file to add text without erasing existing content.
Final Answer:
new StreamWriter("log.txt", append: true) -> Option D
Quick Check:
Append mode = true to add text [OK]

Quick Trick: Use append: true to add text without overwrite [OK]

Common Mistakes:

MISTAKES

Master "File IO" in C Sharp (C#)

9 interactive learning modes - each teaches the same concept differently

More C Sharp (C#) Quizzes

How can you append text to an existing file "log.txt" using StreamWriter without overwriting it?