Merge pull request #211 from dineshparekh11/dinesh1

Fascinating Number or not

Author: SarthakKeshari

Number Theory/Fascno.java

@@ -0,0 +1,44 @@
+//Find given number is Fascinating Number or not
+
+import java.util.*;  
+public class Fascno
+{  
+public static void main(String args[])  
+{  
+int n1, n2, n3;      
+Scanner sc=new Scanner(System.in);  
+System.out.print("Enter any Number: ");  
+   n1 = sc.nextInt();  
+   n2 = n1 * 2;  
+   n3 = n1 * 3;  //concatenating n1, n2, and n3 user input 
+ 
+String concatstr = n1 + "" + n2 + n3;  
+boolean found = true;  
+
+for(char c = '1'; c <= '9'; c++)  //checks all digits from 1 to 9 are present or not  
+{  
+int count = 0;  
+
+for(int i = 0; i < concatstr.length(); i++)  //loop counts the frequency of each digit  
+{  
+char ch = concatstr.charAt(i);  
+ 
+if(ch == c)  
+ 
+count++;  
+}                                         //returns true if any of the condition returns true  
+
+if(count > 1 || count == 0)  
+{  
+found = false;  
+break;  
+}  
+}  
+if(found)  
+System.out.println(n1 + " is a fascinating number.");  
+else  
+System.out.println(n1 + " is not a fascinating number.");  
+}  
+}  
+
+//by Dinesh