Added isPandigital function

src/main/java/mattrixwv/StringAlgorithms.java

@@ -1,7 +1,7 @@
 //JavaClasses/src/main/java/mattrixwv/StringAlgorithms.java
 //Matthew Ellison
 // Created: 07-03-21
-//Modified: 07-03-21
+//Modified: 10-11-21
 //This class contains algorithms for strings that I've found it useful to keep around
 /*
 	Copyright (C) 2021  Matthew Ellison
@@ -86,5 +86,29 @@ public class StringAlgorithms{
 			return false;
 		}
 	}
+	//Returns true if the string passed to it is a pandigital
+	public static boolean isPandigital(String str, char bottom, char top){
+		//Return false if top < bottom
+		if(top < bottom){
+			return false;
+		}
 
+		//Return false if the wrong number of characters are in the string
+		if(str.length() != (top - bottom + 1)){
+			return false;
+		}
+
+		//Make sure that all of the needed characters are in the string exactly one time
+		for(char cnt = bottom;cnt <= top;++cnt){
+			if(findNumOccurrence(str, cnt) != 1){
+				return false;
+			}
+		}
+
+		//If the function has reached this part it has passed all of the falsifying tests
+		return true;
+	}
+	public static boolean isPandigital(String str){
+		return isPandigital(str, '1', '9');
+	}
 }