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@@ -1,7 +1,85 @@
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package com.zipcodewilmington.arrayutility;
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+
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+import com.sun.jmx.remote.internal.ArrayQueue;
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+
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+import java.lang.reflect.Array;
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+import java.util.*;
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+import java.util.function.Consumer;
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+
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+import static jdk.nashorn.internal.objects.ArrayBufferView.length;
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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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+
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+public class ArrayUtility <T>{
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+
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+ T [] list; // generic array of name list
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+
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+ public ArrayUtility ( T[] list){ //constructor
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+
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+ this.list = list;}
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+
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+
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+ public Integer getNumberOfOccurrences (T element){
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+ Integer count = 0;
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+
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+ for (T el: list){ //for each loop
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+ if (el.equals(element)){
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+ count++; // how many number of times the particular element occur
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+ }
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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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+
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+ public Object[] merge(T[] arr1) {
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+ Object[] mergeArr = new Object[list.length + arr1.length];
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+ int counter = 0;
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+ for (T el: list ) { // copying element from list to mergeArr
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+ mergeArr[counter] = el;
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+ counter++; //need to know where elements r stored in index so next arr1 can take over merging
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+ }
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+ for(T el: arr1){
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+ mergeArr[counter] = el; // copying element from arr1 to mergeArr
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+ counter++;
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+ }
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+ return mergeArr;
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+ }
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+
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+ public Integer countDuplicatesInMerge(T[] arrayToMerge, T valueToEvaluate) {
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+ ArrayUtility arrayUtility = new ArrayUtility(merge(arrayToMerge)); // creating new list to add changes to the merge
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+ return arrayUtility.getNumberOfOccurrences(valueToEvaluate);
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+ }
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+
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+ public T getMostCommonFromMerge(T[] arrayToMerge) {
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+ ArrayUtility arrayUtil = new ArrayUtility(merge(arrayToMerge)); // creating new list to add changes to the merge
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+
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+ int tempCount = 0;
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+ T mostCommonObj = null; //made generics cuzz not sure wht type we have
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+ for (Object el: arrayUtil.list) { //checking to see which el has most occurrance
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+ if (getNumberOfOccurrences((T)el) > tempCount){ //counting duplicates but not conseqitive dupli
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+ tempCount =getNumberOfOccurrences((T) el);
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+ mostCommonObj = (T) el;
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+ }
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+ }
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+ return mostCommonObj;
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+ }
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+
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+ public T[] removeValue(T valueToRemove) {
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+ ArrayList <T> tempArr = new ArrayList<>();
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+ for (int i = 0; i< list.length; i ++){
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+ if (!list[i].equals(valueToRemove)) {//objects have to do .equals
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+ tempArr.add(list[i]);
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+ }
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+
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+ }
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+ int newLength =tempArr.size();
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+ list = (T[]) Array.newInstance(list.getClass().getComponentType(), newLength); // can't create generic array
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+ return tempArr.toArray(list);
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+}
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}
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+
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+
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