Find and fix all syntax errors in the following Java program: public class FirstProgram public static void main(String[] args) ( System.out.println("Hello reader."); System.out.println("Welcome to Java."); System.out.println("Let's demonstrate a simple calculation."); Int answer; answer = 2 + 2; System.out.println("2 plus 2 is " + answer); 1.2 Show the output of the following code segment: