- Closed all Scanner and Buffered Readers

- Added Some Java Doc

- ReverseString - took space out of between each letter so "Zachary" to
"yrahcaZ" instead of "y r a h c aZ"

- bfs - Trying to repair this class but need to research bfs more

- dfs - Trying to repair this class but need to research dfs more

- Added new Classes
1) OctalToBinary - Not done
2) BinaryToOctal - Not done
3) OctalToDecimal - Not done
4) Graphs

-Added the dataStructure Graphs (Unfinished)

DecimalToBinary.java

@@ -17,6 +17,7 @@ class DecimalToBinary
   {
     Scanner sc=new Scanner(System.in);
     int n,k,s=0,c=0,d;
+    System.out.print("Decimal number: ");
     n=sc.nextInt();
     k=n;
     while(k!=0)
@@ -25,7 +26,7 @@ class DecimalToBinary
       s=s+d*(int)Math.pow(10,c++);
       k/=2;
     }//converting decimal to binary
-    System.out.println("Decimal number:"+n);
     System.out.println("Binary equivalent:"+s);
+    sc.close();
   }
 }