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@@ -1,53 +1,75 @@
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package com.zipcodewilmington.arrayutility;
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-import java.util.Arrays;
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-import java.util.HashMap;
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-import java.util.stream.Stream;
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+import java.util.*;
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public class ArrayUtility <T> {
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private T[] inputArray;
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+ private T[] mergeArray;
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+ private Object valueToRemove;
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public ArrayUtility(){}
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public ArrayUtility(T[] inputArray) {
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- this.inputArray = (T[]) inputArray;
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+ this.inputArray = inputArray;
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}
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public T getMostCommonFromMerge(T[] arrayToMerge) {
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- T[] mergeArray = Arrays.copyOf(inputArray, inputArray.length + arrayToMerge.length);
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- for(int i = 0; i<mergeArray.length; i++){
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- mergeArray[i+ inputArray.length] = arrayToMerge[i];
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+ mergeArray = (T[]) new Object[inputArray.length + arrayToMerge.length];
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+ System.arraycopy(inputArray, 0,mergeArray, 0, inputArray.length);
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+ System.arraycopy(arrayToMerge, 0, mergeArray, inputArray.length, arrayToMerge.length);
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+ // System.out.println(mergeArray);
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+
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+ int numberOfOccurences = 0;
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+ T mostCommon = mergeArray[0];
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+ for (T element : mergeArray)
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+ {
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+ if (getNumberOfOccurrences(element) > numberOfOccurences)
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+ {
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+ mostCommon = element;
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+ numberOfOccurences = getNumberOfOccurrences(element);
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+ }
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+
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}
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+ return mostCommon;
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+ }
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- HashMap<T, Integer> repeats = new HashMap<>();
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- Integer mostCommon = 0;
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- for (int i = 0; i < mergeArray.length; i++) {
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- int count = 0;
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- for (int j = 0; j < mergeArray.length; j++) {
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- if (mergeArray[i] == mergeArray[j]) {
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- count++;
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+
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+ public T[] removeValue (T valueToRemove){
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+ Integer appearances = getNumberOfOccurrences(valueToRemove);
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+ int i = 0;
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+ //mergeArray = (T[]) new Object[inputArray.length-appearances];
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+ mergeArray = Arrays.copyOf(inputArray, inputArray.length-appearances);
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+ for (T element : inputArray) {
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+ if (!element.equals(valueToRemove)) {
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+ mergeArray[i] = element;
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+ i++;
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+ }
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}
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+ return mergeArray;
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}
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- if (count > 1) {
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- if (!repeats.containsKey(mergeArray[i])) {
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- repeats.put(mergeArray[i], count);
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- mostCommon += count;
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+
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+ public Integer countDuplicatesInMerge (T[]arrayToMerge, T valueToEvaluate){
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+ mergeArray = (T[]) new Object[inputArray.length + arrayToMerge.length];
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+ System.arraycopy(inputArray, 0,mergeArray, 0, inputArray.length);
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+ System.arraycopy(arrayToMerge, 0, mergeArray, inputArray.length, arrayToMerge.length);
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+ Integer appearances = 0;
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+ for (T element : mergeArray) {
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+ if (element == valueToEvaluate) {
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+ appearances++;
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}
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}
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+ return appearances;
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}
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- T dupe = (T) repeats.get(0);
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- return dupe;
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- }
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- public T[] removeValue(T valueToRemove) {
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- return (T[]) inputArray;
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- }
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-
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- public Integer countDuplicatesInMerge(T[] arrayToMerge, T valueToEvaluate) {
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- return null;
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- }
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-
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public Integer getNumberOfOccurrences(T valueToEvaluate) {
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- return null;
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+ // mergeArray = Arrays.copyOf(inputArray, inputArray.length);
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+ Integer appearances = 0;
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+ for (T element : inputArray) {
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+ if (element == valueToEvaluate) {
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+ appearances++;
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+ }
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+ }
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+ return appearances;
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}
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-}
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+
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+ }//end of Class
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