// 10/30/2019
// boolean methods and testing
// method overloading
import java.util.Scanner;

public class BooleanMethods {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    // test by calling method several times on diff values
    System.out.println(25 +" " + isEven(25) + '\n'
                       +  78 + " " + isEven(78) + '\n'
                       +  1 + " "+ isEven(1) + '\n'
                       +  2 + " "+ isEven(2) + '\n'
                       +  0 + " "+ isEven(0) + '\n');
   // for (int i = -100; i<250; i++)
   //   System.out.println(i + " " + isEven(i) + '\n');
    System.out.println("Enter a number: ");
    int number = sc.nextInt();
    //boolean even = isEven(number);
    //if (even)
    if (isEven(number))
       System.out.println(number + " is even.");
    else
       System.out.println(number + " is odd.");
  }
  /** @param num is checked to see if its even
    * @return true if num is even */
  public static boolean isEven(int num){
    if (num % 2 == 0)
       return true;
    return false;
    
    // return num%2==0 ? true : false;
  }
  // method overloading -- something has to be
  // different in the parameter list.
  public static int sum(int num1, int num2)
  public static int sum(int num1, int num2, int num3)
  public static int sum(double num1, double num2)
}
/*Lab: Write a boolean method called isPrime that
 * accepts an integer and returns true if the parameter
 * is a Prime number and false otherwise.
 * hint: use a loop.
 * TEST the method by calling it many times from main.
 */