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compelted less one test

David Thornley 6 years ago
parent
commit
6e362150cc

+ 64
- 1
src/main/java/com/zipcodewilmington/arrayutility/ArrayUtility.java View File

@@ -1,7 +1,70 @@
1 1
 package com.zipcodewilmington.arrayutility;
2 2
 
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+import java.util.Arrays;
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+
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 /**
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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<I> {
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+
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+    I[] arr;
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+    public ArrayUtility(I[] array) {
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+        this.arr = array;
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+    }
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+
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+    public Integer countDuplicatesInMerge(I[] arrayToMerge, I valueToEvaluate) {
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+
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+     Integer count = 0;
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+     I[] mergedArray = (I[]) new Object[arrayToMerge.length + arr.length];
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+     System.arraycopy(arr,0,mergedArray,0,arr.length);
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+     System.arraycopy(arrayToMerge,0,mergedArray,arr.length,arrayToMerge.length);
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+
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+     for(int i = 0; i < mergedArray.length; i++){
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+         if(valueToEvaluate == mergedArray[i]){
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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 I[] removeValue(I valueToRemove) {
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+        I[] temp = Arrays.copyOf(arr, arr.length- getNumberOfOccurrences(valueToRemove));
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+        int index = 0;
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+        for(int i = 0; i < arr.length; i++){
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+            if(arr[i] != valueToRemove){
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+                temp[index] = arr[i];
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+                index++;
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+            }
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+        }
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+        return temp;
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+    }
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+
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+    public I getMostCommonFromMerge(I[] arrayToMerge) {
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+
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+        I[] mergedArray = (I[]) new Object[arrayToMerge.length + arr.length];
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+        System.arraycopy(arr,0,mergedArray,0,arr.length);
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+        System.arraycopy(arrayToMerge,0,mergedArray,arr.length,arrayToMerge.length);
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+
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+        I mostCommon = mergedArray[0];
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+        Integer commonCount = getNumberOfOccurrences(mostCommon);
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+
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+        for (int i = 0; i < mergedArray.length; i++) {
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+            Integer tempCount = getNumberOfOccurrences(mergedArray[i]);
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+            if(tempCount > commonCount){
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+                mostCommon = mergedArray[i];
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+            }
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+        }
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+        return mostCommon;
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+    }
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+
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+
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+    public Integer getNumberOfOccurrences(I valueToEvaluate) {
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+        Integer count = 0;
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+        for(I i : arr){
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+            if(i == valueToEvaluate){
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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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 }

+ 1
- 1
src/test/java/com/zipcodewilmington/arrayutility/RemoveValueTest.java View File

@@ -1,6 +1,6 @@
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 package com.zipcodewilmington.arrayutility;
2 2
 
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-import com.zipcodewilmington.UnitTestingUtils;
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+//import com.zipcodewilmington.UnitTestingUtils;
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 import org.junit.Test;
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 /**