Read()
The Read() reads the next characters from the standard input stream. If a key is pressed on the console, then it would close.
int a = Console.Read() Console.WriteLine(a);
ReadLine()
It reads the next line of characters from the standard input stream.
Example
using System;
class Program {
static void Main() {
int x = 10;
Console.WriteLine(x);
Console.Write("\nPress any key to continue... ");
Console.ReadLine();
}
}Output
10 Press any key to continue...