C version with comment

Fibonacci.c

@@ -0,0 +1,29 @@
+#include<stdio.h>
+
+int main(void){
+
+    unsigned long fib1= 0, fib2= 1, fib3;
+    int start;
+
+    printf("input the index value: ");
+    scanf("%d",&start);								// enter the index value from console by user
+													// input value more than 100, OK
+
+    switch(start){	
+    case 0:											// if index value is 0
+        printf("F0 = %lu\n", fib1);					// print the fibonacci(0)
+        break;
+	case 1:											// if index value is 1
+        printf("F1 = %lu\n", fib2);					// print the fibonacci(1)
+        break;			
+    default:										// if index value more than 1
+        for(int i=0; i<=(start-2); i++){			// calculate the result and print process and result
+            fib3= fib1 + fib2;
+            printf("F%d = %lu, F%d = %lu, F%d = %lu\n", i, fib1, i+1, fib2, i+2, fib3);
+            fib1= fib2;
+            fib2= fib3;
+        }
+    }
+
+    return 0;
+}

Fibonacci.java

@@ -1,11 +1,19 @@
+import java.util.Scanner;
+
+
+
 public class Fibonacci{
     public static void main(String []args){
-
+    	long start;
         if (args.length == 0){
             System.out.println("please enter the argument. Input number must be under 93");
-            return;
+
+            Scanner input= new Scanner(System.in);
+            System.out.print("Enter the value: ");
+            start= input.nextLong();
         }
-        long start = Integer.parseInt(args[0]);
+        else
+        	start = Integer.parseInt(args[0]);
         long fib1 = 0;
         long fib2 = 1;
         if (start < 2){
@@ -23,4 +31,4 @@ public static void main(String []args){
             fib2 = fib3;
         }
     }
-}
+}

README

@@ -20,3 +20,18 @@ F6 = 8, F7 = 13, F8 =  21
 F7 = 13, F8 = 21, F9 =  34
 F8 = 21, F9 = 34, F10 =  55
 {code}
+
+* c version compile
+**noirCynical-ui-MacBook-Air:gdg_codelab_1404 noirCynical$ gcc Fibonacci.c
+**noirCynical-ui-MacBook-Air:gdg_codelab_1404 noirCynical$ ./a.out 
+input the index value: 10
+F0 = 0, F1 = 1, F2 = 1
+F1 = 1, F2 = 1, F3 = 2
+F2 = 1, F3 = 2, F4 = 3
+F3 = 2, F4 = 3, F5 = 5
+F4 = 3, F5 = 5, F6 = 8
+F5 = 5, F6 = 8, F7 = 13
+F6 = 8, F7 = 13, F8 = 21
+F7 = 13, F8 = 21, F9 = 34
+F8 = 21, F9 = 34, F10 = 55
+