Create PersonalDuplicateRemover.java

Week9/DuplicateRemover/tools/PersonalDuplicateRemover.java

@@ -0,0 +1,45 @@
+
+package tools;
+
+/**
+ *
+ * @author giuseppedesantis
+ */
+
+import java.util.Set;
+import java.util.HashSet;
+
+public class PersonalDuplicateRemover implements DuplicateRemover{
+    private Set<String> entries;
+    private int numberOfDuplicates;
+
+    public PersonalDuplicateRemover(){
+        this.numberOfDuplicates = 0;
+        this.entries = new HashSet<String>();
+    }
+
+    @Override
+    public void add(String characterString){
+        if(!entries.contains(characterString)){
+            entries.add(characterString);
+        }else{
+            numberOfDuplicates++;
+        }
+    }
+
+    @Override
+    public int getNumberOfDetectedDuplicates(){
+        return numberOfDuplicates;
+    }
+
+    @Override
+    public Set<String> getUniqueCharacterStrings(){
+        return entries;
+    }
+
+    @Override
+    public void empty(){
+        entries.clear();
+        numberOfDuplicates = 0;
+    }
+}