Mark Brozel Macbeth Review

    Source code  
 
 import java.io. *; 
 
 
 public class Fibonacci {BufferedReader keyboard = new BufferedReader (new InputStreamReader (System.in)); 
 opcionSalir int; 
 public Fibonacci ( ) {
 mostrarMenu ();} 
 
 
 
 fibonacci_pd public static long (long n) throws 
 NumeroException {if (n \u0026lt;0) {throw new NumeroException 
 ("Can not enter negative numbers");} 
 
 
 
 if (n == 0  n;} 
 
 long [] a = new long [(int) n +1]; 
 a [0] = 0; 
 a [1] = 1; 
 for (int i = 2; i \u0026lt;= n; i + +) {
 a [i] = a [i-1] + a [i-2]; 
} 
 return to [(int) n]; 
} 
 
 private void mostrarMenu () {
 
 opcionSalir = 2 ; 
 
 int option; 
 
 do {String [] menu = {
 "\\ n -------------- Fibonacci --------------" , 
 "1 .- Enter Value" 
 
 "" 
 "2 .- Exit" 
 "------------------------- 
 ---------------"}; 
 for (int i = 0; i \u0026lt;menu.length; i + +) {System.out.println 
 (menu [i]);} 
 
 
 System.out.println (); 
 pedirOpcion option = (); 
 System.out.println (); 
 procesarOpcion (option); 
 System.out.println ();} 
 
 while (option! = opcionSalir) 
 System.out.println ("Program complete."); 
 
 
 
} private void procesarOpcion (int option) {
 switch (option) {case 1 
: 
 calculate (); 
 break; 
 
 case 2: 
 System.exit (0); 
 break; 
 
 
}} private int 
 
 pedirOpcion () {int 
 option = 0; 
 
 do {option = pedirEntero ("Options"); 
 if (option \u0026lt;1 & & option> opcionSalir) {
 System.out.println ("Invalid option, repeat");} 
 
 
} while (choice \u0026lt;1  catch (IOException ex) {System.out.println 
 (
 "Generic Error Input-Output with the keyboard"); 
 
} catch (NumberFormatException ex) {
 System.out.println ("Invalid format for number") ; 
 
} return integer; 
 
 
} public void calculate () {System.out.println 
 (
 "\\ n Please enter the number from which you want to calculate the Fibonacci sequence:"); 
 
 
 
 try {long number = Long.parseLong (teclado.readLine ()); 
 System.out.println (
 "\\ nThe value of the Fibonacci function for the number" + number + 
 "is:" + fibonacci_pd (number)); 
 
} catch (NumeroException ex) {
 System.err.println ("You can only enter numbers"); 
 
 
} catch (IOException ex) {
 System . err.println (ex.getMessage ()); 
 
} catch (NumberFormatException ex) {
 System.err.println (ex.getMessage ());} 
 
 
 
} public static void main (String [] args ) {
 new Fibonacci (); 
}} 
 
 
 NUMEROEXCEPTION 
 
 
 CLASS public class extends NumeroException Exception {public 
 
 NumeroException (String message) {
 super (message); 
}} 
 
 
 
 
 
 
 
 previous Code import java.io. *; 
 
 public class Fibonacci {
 
 / ** 
 * fibonacci function is implemented with dynamic programming technique. 
 * It is noted that the number is positive. 
 * @ param n * @ throws long 
 NumeroException 
 
 * @ return long * / public static long 
 fibonacci_pd (long n) throws 
 NumeroException {if (n \u0026lt;0) {throw new NumeroException 
 ("Can not enter negative numbers "); 
 
} if (n == 0) {throw new NumeroException 
 (" The number must be greater than 0 ");} 
 
 long [] f = new long [(int) n + 1 ]; 
 f [0] = 0; 
 f [1] = 1; 
 for (int i = 2; i \u0026lt;n + 1, i + +) {
 f [i] = f [i - 1] + f [i - 2]; 
 
} return f [(int) n];} 
 
 
 / ** * Function Main 
. It asks the user a number to calculate its value by 
 Fibonacci function * * @ 
 param String args [] 
 * / 
 public static void main (String [] args) {BufferedReader reader 
 = new BufferedReader (new InputStreamReader (System.in)); 
 System.out.println (
 "\\ n Please enter the number from which you want to calculate the Fibonacci sequence:"); 
 
 try {long number = Long.parseLong (reader.readLine ()); 
 System.out.println (
 "\\ nThe value of the Fibonacci function for the number" + number + 
 "is:" + fibonacci_pd (number));} 
 
 catch (NumberFormatException NFE) {
 System.err.println ("You can only enter numbers"); 
 main (args); 
 
} catch (NumeroException ne) {System.err.println 
 (ne.getMessage ()); 
 main (args); 
 
} catch (IOException ioe) {System.err.println 
 (ioe.getMessage ()); 
 
}} 
 
 
 
} Exception used in the code above 
 
 
 NumeroException 
 public class extends Exception {public 
 
 NumeroException (String message) {
 super (message); 
}}