Typical mistakes in C# programs

One of the common mistakes with beginners is writing outside the body of the Main() method, because the integrated environment or the compiler can't read the given commands in the program correctly. Here is an example for an incorrectly written program :

static void Main(string[] args)
{
}
Console.WriteLine("Hello C#");

Other mistake is switching capital and small letters, and it matters for calling the commands and their correct functioning. Here is an example of such mistake:

static void Main(string[] args)
{
    Console.Writeline("Hello C#");
}

In the example above Writeline is written wrong and has to be fixed to WriteLine.

The absence of a point and comma (;) in the end of the commands is one of the eternal problems of the beginner programmer. Skipping this sign leads to incorrect functioning of the program and often the problem stays unnoticed. Here is an example of a mistaken code:

static void Main(string[] args)
{
    Console.Writeline("Hello C#")
}

The missing quotation mark or the absence of openning or closing parentheses can also turn out to be problems. The same as the point and the comma, here also the problem leads to incorrect functioning of the program or overall to its failure. This mistake is hardly noticeble with a bigger code. Here is an example of a program with errors:

static void Main(string[] args)
{
    Console.WriteLine("Hello C#);
}

This program will throw a compile time error and the build is going to fail and even before that, the code will become underlined, in order to point the programmer to the mistake that he made (the missing closing quotation mark):

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