Passing all the test.

src/main/java/com/zipcodewilmington/looplabs/IntegerDuplicateDeleter.java

@@ -1,8 +1,61 @@
 package com.zipcodewilmington.looplabs;
 
+import java.lang.reflect.Array;
+import java.util.Arrays;
+
 /**
  * Created by leon on 1/29/18.
  * @ATTENTION_TO_STUDENTS You are forbidden from modifying the signature of this class.
  */
 public final class IntegerDuplicateDeleter extends DuplicateDeleter<Integer> {
-}
+    public IntegerDuplicateDeleter(Integer[] intArray) {
+        super(intArray);
+    }
+
+    @Override
+    public Integer[] removeDuplicates(int maxNumberOfDuplications) {
+        Integer[] dupes = countDuplicates();
+        Integer[] noDupes = new Integer[this.array.length];
+        int count = 0;
+
+        for(int i = 0; i < dupes.length; i++){
+            if(dupes[i] < maxNumberOfDuplications){
+                noDupes[count] = this.array[i];
+                count++;
+            }
+        }
+
+        return Arrays.copyOfRange(noDupes, 0, count);
+    }
+
+    @Override
+    public Integer[] removeDuplicatesExactly(int exactNumberOfDuplications) {
+        Integer[] dupes = countDuplicates();
+        Integer[] noDupes = new Integer[this.array.length];
+        int count = 0;
+
+        for(int i = 0; i < dupes.length; i++){
+            if(dupes[i] != exactNumberOfDuplications){
+                noDupes[count] = this.array[i];
+                count++;
+            }
+        }
+
+        return Arrays.copyOfRange(noDupes, 0, count);
+    }
+
+    public Integer[] countDuplicates(){
+        Integer[] dupes = new Integer[this.array.length];
+        Arrays.fill(dupes, 0);
+
+        for(int i = 0; i < this.array.length; i++){
+            for(int j = 0; j < this.array.length; j++){
+                if(this.array[i].equals(this.array[j])){
+                    dupes[i]++;
+                }
+            }
+        }
+
+        return dupes;
+    }
+}

src/main/java/com/zipcodewilmington/looplabs/StringDuplicateDeleter.java

@@ -1,8 +1,60 @@
 package com.zipcodewilmington.looplabs;
 
+import java.util.Arrays;
+
 /**
  * Created by leon on 1/28/18.
  * @ATTENTION_TO_STUDENTS You are forbidden from modifying the signature of this class.
  */
 public final class StringDuplicateDeleter extends DuplicateDeleter<String> {
+    public StringDuplicateDeleter(String[] intArray) {
+        super(intArray);
+    }
+
+    @Override
+    public String[] removeDuplicates(int maxNumberOfDuplications) {
+        Integer[] dupes = countDuplicates();
+        String[] noDupes = new String[this.array.length];
+        int count = 0;
+
+        for(int i = 0; i < dupes.length; i++){
+            if(dupes[i] < maxNumberOfDuplications){
+                noDupes[count] = this.array[i];
+                count++;
+            }
+        }
+
+        return Arrays.copyOfRange(noDupes, 0, count);
+    }
+
+    @Override
+    public String[] removeDuplicatesExactly(int exactNumberOfDuplications) {
+        Integer[] dupes = countDuplicates();
+        String[] noDupes = new String[this.array.length];
+        int count = 0;
+
+        for(int i = 0; i < dupes.length; i++){
+            if(dupes[i] != exactNumberOfDuplications){
+                noDupes[count] = this.array[i];
+                count++;
+            }
+        }
+
+        return Arrays.copyOfRange(noDupes, 0, count);
+    }
+
+    public Integer[] countDuplicates(){
+        Integer[] dupes = new Integer[this.array.length];
+        Arrays.fill(dupes, 0);
+
+        for(int i = 0; i < this.array.length; i++){
+            for(int j = 0; j < this.array.length; j++){
+                if(this.array[i].equals(this.array[j])){
+                    dupes[i]++;
+                }
+            }
+        }
+
+        return dupes;
+    }
 }

src/test/java/com/zipcodewilmington/looplabs/CountDupTest.java

@@ -0,0 +1,4 @@
+package com.zipcodewilmington.looplabs;
+
+public class CountDupTest {
+}