Answer Posted / ravi kumar

private class PrivateClass //You cannot use private here
{
}


class TestClass //This is valid
{
}
}
This is because, in above example, if you declare PrivateClass as private then it's private to what? As Vijay said, it is of no use. So, intellisense intelligently doesn't show 'private' .

also another thing that private class can not be instantiate means u can not create object that class then what will be use of that class

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