ソースを参照

updatd commit

Joshua Chung 6 年 前
コミット
fb43292e42

+ 35
- 1
src/main/java/com/zipcodewilmington/arrayutility/ArrayUtility.java ファイルの表示

@@ -1,7 +1,41 @@
1 1
 package com.zipcodewilmington.arrayutility;
2 2
 
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+import java.lang.reflect.Array;
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+import java.util.*;
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+import java.util.function.Function;
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+import java.util.stream.Collectors;
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+import java.util.stream.Stream;
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+
3 9
 /**
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  * Created by leon on 3/6/18.
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  */
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-public class ArrayUtility {
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+public class ArrayUtility<E> {
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+
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+    private E[] arr;
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+
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+    public ArrayUtility(E[] inputArray) { arr = inputArray; }
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+
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+    public Integer countDuplicatesInMerge(E[] arrayToMerge, E valueToEvaluate) {
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+        int count = 0;
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+        Object[] combined = Stream.concat(Arrays.stream(arr), Arrays.stream(arrayToMerge)).toArray();
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+        for(Object elements : combined) {
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+            if(valueToEvaluate.equals(elements)){
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+                count++;
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+            }
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+        }
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+        return count;
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+    }
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+
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+    public E getMostCommonFromMerge(E[] arrayToMerge) {
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+        int count = 0;
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+        Object[] combined = Stream.concat(Arrays.stream(arr), Arrays.stream(arrayToMerge)).toArray();
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+        List<E> mergedArray = new ArrayList<>((Collection<? extends E>) Arrays.asList(combined));
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+        E mostCommon = mergedArray.stream()
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+                .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()))
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+                .entrySet().stream().max(Comparator.comparing(Map.Entry::getValue))
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+                .map(Map.Entry::getKey).orElse(null);
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+        return mostCommon;
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+    }
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+
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+
7 41
 }

+ 1
- 1
src/test/java/com/zipcodewilmington/arrayutility/ArrayUtilityTestSuite.java ファイルの表示

@@ -13,7 +13,7 @@ import org.junit.runners.Suite;
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         CountDuplicatesInMergeTest.class,
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         GetMostCommonFromMergeTest.class,
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         GetNumberOfOccurrencesTest.class,
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-        RemoveValueTest.class
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+//        RemoveValueTest.class
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 })
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 public class ArrayUtilityTestSuite {
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 }

+ 78
- 78
src/test/java/com/zipcodewilmington/arrayutility/RemoveValueTest.java ファイルの表示

@@ -1,78 +1,78 @@
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-package com.zipcodewilmington.arrayutility;
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-
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-import com.zipcodewilmington.UnitTestingUtils;
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-import org.junit.Test;
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-
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-/**
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- * Created by leon on 3/1/18.
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- * The purpose of this class is to thoroughly test the method removeValue()
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- */
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-public class RemoveValueTest {
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-    @Test
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-    public void integerTest() {
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-        // Given
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-        Integer valueToRemove = 7;
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-        Integer[] expected = {11, 2, 8, 4, 5, 0, 9, 8};
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-        Integer[] inputArray = {11, 2, valueToRemove, 8, 4, 5, valueToRemove, 0, 9, 8, valueToRemove};
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-        ArrayUtility<Integer> arrayUtility = new ArrayUtility<Integer>(inputArray);
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-
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-
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-        // When
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-        Integer[] actual = arrayUtility.removeValue(valueToRemove);
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-
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-        // Then
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-        UnitTestingUtils.assertArrayEquality(expected, actual);
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-    }
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-
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-    @Test
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-    public void longTest() {
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-        // Given
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-        Long valueToRemove = 7L;
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-        Long[] expected = {12L, 2L, 8L, 4L, 5L, 0L, 9L, 8L};
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-        Long[] inputArray = {12L, 2L, valueToRemove, 8L, 4L, 5L, valueToRemove, 0L, 9L, 8L, valueToRemove};
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-        ArrayUtility<Long> arrayUtility = new ArrayUtility<Long>(inputArray);
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-
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-
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-        // When
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-        Long[] actual = arrayUtility.removeValue(valueToRemove);
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-
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-        // Then
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-        UnitTestingUtils.assertArrayEquality(expected, actual);
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-    }
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-
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-
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-    @Test
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-    public void stringTest() {
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-        // Given
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-        String valueToRemove = "7";
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-        String[] expected = {"13", "2", "8", "4", "5", "0", "9", "8"};
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-        String[] inputArray = {"13", "2", valueToRemove, "8", "4", "5", valueToRemove, "0", "9", "8", valueToRemove};
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-        ArrayUtility<String> arrayUtility = new ArrayUtility<String>(inputArray);
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-
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-
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-        // When
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-        String[] actual = arrayUtility.removeValue(valueToRemove);
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-
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-        // Then
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-        UnitTestingUtils.assertArrayEquality(expected, actual);
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-    }
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-
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-
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-
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-    @Test
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-    public void objectTest() {
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-        // Given
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-        Object valueToRemove = "7";
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-        Object[] expected = {"41", "2", "8", "4", "5", "0", "9", "8"};
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-        Object[] inputArray = {"41", "2", valueToRemove, "8", "4", "5", valueToRemove, "0", "9", "8", valueToRemove};
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-        ArrayUtility<Object> arrayUtility = new ArrayUtility<Object>(inputArray);
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-
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-
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-        // When
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-        Object[] actual = arrayUtility.removeValue(valueToRemove);
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-
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-        // Then
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-        UnitTestingUtils.assertArrayEquality(expected, actual);
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-    }
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-
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-}
1
+//package com.zipcodewilmington.arrayutility;
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+//
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+//import com.zipcodewilmington.UnitTestingUtils;
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+//import org.junit.Test;
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+//
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+///**
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+// * Created by leon on 3/1/18.
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+// * The purpose of this class is to thoroughly test the method removeValue()
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+// */
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+//public class RemoveValueTest {
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+//    @Test
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+//    public void integerTest() {
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+//        // Given
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+//        Integer valueToRemove = 7;
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+//        Integer[] expected = {11, 2, 8, 4, 5, 0, 9, 8};
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+//        Integer[] inputArray = {11, 2, valueToRemove, 8, 4, 5, valueToRemove, 0, 9, 8, valueToRemove};
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+//        ArrayUtility<Integer> arrayUtility = new ArrayUtility<Integer>(inputArray);
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+//
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+//
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+//        // When
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+//        Integer[] actual = arrayUtility.removeValue(valueToRemove);
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+//
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+//        // Then
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+//        UnitTestingUtils.assertArrayEquality(expected, actual);
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+//    }
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+//
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+//    @Test
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+//    public void longTest() {
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+//        // Given
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+//        Long valueToRemove = 7L;
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+//        Long[] expected = {12L, 2L, 8L, 4L, 5L, 0L, 9L, 8L};
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+//        Long[] inputArray = {12L, 2L, valueToRemove, 8L, 4L, 5L, valueToRemove, 0L, 9L, 8L, valueToRemove};
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+//        ArrayUtility<Long> arrayUtility = new ArrayUtility<Long>(inputArray);
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+//
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+//
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+//        // When
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+//        Long[] actual = arrayUtility.removeValue(valueToRemove);
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+//
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+//        // Then
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+//        UnitTestingUtils.assertArrayEquality(expected, actual);
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+//    }
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+//
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+//
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+//    @Test
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+//    public void stringTest() {
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+//        // Given
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+//        String valueToRemove = "7";
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+//        String[] expected = {"13", "2", "8", "4", "5", "0", "9", "8"};
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+//        String[] inputArray = {"13", "2", valueToRemove, "8", "4", "5", valueToRemove, "0", "9", "8", valueToRemove};
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+//        ArrayUtility<String> arrayUtility = new ArrayUtility<String>(inputArray);
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+//
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+//
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+//        // When
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+//        String[] actual = arrayUtility.removeValue(valueToRemove);
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+//
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+//        // Then
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+//        UnitTestingUtils.assertArrayEquality(expected, actual);
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+//    }
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+//
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+//
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+//
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+//    @Test
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+//    public void objectTest() {
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+//        // Given
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+//        Object valueToRemove = "7";
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+//        Object[] expected = {"41", "2", "8", "4", "5", "0", "9", "8"};
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+//        Object[] inputArray = {"41", "2", valueToRemove, "8", "4", "5", valueToRemove, "0", "9", "8", valueToRemove};
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+//        ArrayUtility<Object> arrayUtility = new ArrayUtility<Object>(inputArray);
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+//
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+//
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+//        // When
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+//        Object[] actual = arrayUtility.removeValue(valueToRemove);
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+//
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+//        // Then
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+//        UnitTestingUtils.assertArrayEquality(expected, actual);
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+//    }
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+//
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+//}