refactor to use polymorphism

Sorting/SortResult.java

@@ -23,6 +23,7 @@ public class SortResult {
     
     private String sortType;
     private Integer [] sortedArray;
+    private String[] sortedWordArray;
     private String comparisonsUsed;
     private String writesUsed;
     private String timeUsed;
@@ -41,6 +42,21 @@ public class SortResult {
         timeUsed = nf.format(t.toMillis());
     }
 
+    public SortResult(String st, String[] a, long c, long w, Duration t){
+        sortType = st;
+        sortedWordArray = a;
+        NumberFormat nf = NumberFormat.getInstance(Locale.US);
+        if(c==0){
+            comparisonsUsed = "No";
+        }
+        else{
+        comparisonsUsed = nf.format(c);
+        }
+        writesUsed = nf.format(w);
+        timeUsed = nf.format(t.toMillis());
+
+    }
+
     public SortResult(String st, Integer[] a, Duration t){
         sortType = st;
         sortedArray = a;
@@ -54,10 +70,14 @@ public class SortResult {
         return sortType;
     }
 
-    public Integer[] getSortedArray(){
+    public Integer[] getSortedNumbers(){
         return sortedArray;
     }
 
+    public String[] getSortedWords(){
+        return sortedWordArray;
+    }
+
     public String getTimeUsed(){
         return timeUsed;
     }
@@ -72,7 +92,7 @@ public class SortResult {
 
     public String getSortCount(){
         NumberFormat nf = NumberFormat.getInstance(Locale.US);
-        return nf.format(sortedArray.length);
+        return nf.format(sortedWordArray.length);
     }
 
     public String getMin(){
@@ -85,4 +105,12 @@ public class SortResult {
         return nf.format(sortedArray[sortedArray.length-1]);
     }
 
+    public String getFirst(){
+        return sortedWordArray[0];
+    }
+
+    public String getLast(){
+        return sortedWordArray[sortedWordArray.length-1];
+    }
+
 }