Analyze the following code: public class A { private static int x = 5; public static void main(String[] args) { this.x = 4; System.out.println(x); } } The program has a compilation error since variable 'x' is private and therefore cannot be accessed in the 'main' method. The program compiles correctly and prints "4". The program has a compilation error since keyword 'this' cannot be used inside the 'main' method The program compiles correctly and prints "5