// Bob Myers
//
// See if you can guess which calls in main() the compiler will allow
//  and which ones cause syntax errors.  (Then compile to check).
//  (Only the header line of each method is needed to figure this out)
//
// The methods are written below the main() method.


import java.util.Random;

public class Syntax
{
  private static Random r = new Random();


  public static void main(String[] args)
  {
     char c1, c2;
     double d1, d2, d3;
     int i1, i2;

     // are these calls LEGAL or ILLEGAL, syntactically?
     //   (put yourself in the compiler's shoes)

     average(d1, d2); 
     c1 = average(d1, d2);
     d1 = average(d2, d3);
     d3 = average(d2, i2);

     getACharacter;

     c1 = getACharacter;
     c2 = getACharacter();   
     i1 = getACharacter();  	

     printValues(int,double);
     i2 = printValues(i1, d1);
     printValues(i2, d2);
     printValues(d1, i2);
  }

  public static double average(double x, double y)
  {
     return (x + y) / 2.0;
  }

  public static char getACharacter()
  {
     String alphabet = "abcdefghijklmnopqrstuvwxyz";
     return alphabet.charAt(r.nextInt(26));
  }

  public static void printValues(int count, double amount)
  {
     System.out.println("Here are the two values:");
     System.out.println("------------------------------------------");
     System.out.println("\t" + count + '\t' + amount);
  }

}