Tributar

/**
 *
 * @author Miketo
 */
public class Tributar {
   private static final short MIN_AGE = 16;
   private static final short MIN_SALARY = 1000;
   private static final Scanner sc = new Scanner(System.in);

   public static void main(String[] args) {
      System.out.println("Con este programa sabrás si debes tributar.\n");

      if( isOlder(readAge()) && isGoodSalary(readSalary()) ){
            System.out.println("SI debes tributar");
            return;
         }

      System.out.println("NO necesitas tributar");
   }

   private static int readAge(){
      System.out.print("Introduce tu edad: ");
      return sc.nextInt();
   }

   private static double readSalary(){
      System.out.print("Introduce tu salario: $");
      return sc.nextDouble();
   }

   private static boolean isOlder(int age){
      return age>MIN_AGE;
   }

   private static boolean isGoodSalary(double salary){
      return salary>=MIN_SALARY;
   }
}