What will be the output of the following C# code?
static void Main(string[] args)
{
Console.WriteLine("This is a Console Application:");
Console.Write("Please enter your lucky number:");
string val1 = Console.ReadLine();
int val2 = System.Convert.ToInt32(val1, 10);
val2 = val2 * val2;
Console.WriteLine("square of number is:" +val2);
Console.Read();
}
static void Main(string[] args)
{
Console.WriteLine("This is a Console Application:");
Console.Write("Please enter your lucky number:");
string val1 = Console.ReadLine();
int val2 = System.Convert.ToInt32(val1, 10);
val2 = val2 * val2;
Console.WriteLine("square of number is:" +val2);
Console.Read();
}A. Compile time error
B. Runs successfully does not print anything
C. Runs successfully, ask for input and hence displays the result
D. Syntax Error
Answer: Option C
This Question Belongs to C Sharp Programming >> File Handling And Input Output In C Sharp
Which class in C# is used to read data from text files?
A. TextReader
B. FileReader
C. FileWriter
D. StreamReader
What is the purpose of the using statement when working with files in C#?
A. To read data from files
B. To write data to files
C. To ensure proper disposal of resources
D. To handle exceptions
In C#, which method is used to write data to a text file?
A. Write()
B. WriteLine()
C. WriteText()
D. Append()
What is the correct way to open a file for writing in C#?
A. FileStream file = new FileStream("filename.txt", FileMode.Write);
B. StreamWriter file = new StreamWriter("filename.txt");
C. File.OpenWrite("filename.txt");
D. None of the above
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