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@@ -11,31 +11,30 @@ public class ArrayUtility<T> {
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public ArrayUtility(T[] input) {
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this.inputArray = input;
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}
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- //same as normal method used at the bottom but with a generic object of type T
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- public Integer countDuplicatesInMerge(T[] arrayToMerge, T valueToEvaluate) {
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- T[] mergedArray = Arrays.copyOf(inputArray, inputArray.length);
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- for (int i = inputArray.length; i < (arrayToMerge.length + inputArray.length); i++) {
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- mergedArray = Arrays.copyOf(mergedArray, mergedArray.length + 1);
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- mergedArray[i] = arrayToMerge[i - inputArray.length];
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- }
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+ //created method to strictly merge arrays, (I remembered Single responsibility hehe)
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+ public static <T> T[] mergeArrays(T[] objectArray, T[] objectArrayToAdd) {
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+ T[] resultOfMergingTwoArrays = Arrays.copyOf(objectArray,
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+ objectArray.length + objectArrayToAdd.length);
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+ System.arraycopy(objectArrayToAdd, 0, resultOfMergingTwoArrays,
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+ objectArray.length, objectArrayToAdd.length);
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+ return resultOfMergingTwoArrays;
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+ }
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+ public Integer countDuplicatesInMerge(T[] arrayToMerge, T valueToEvaluate) {
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+ mergeArrays(arrayToMerge, inputArray);
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+ T[] mergedArray = mergeArrays(arrayToMerge, inputArray);
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Integer resultCount = 0;
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for (int x = 0; x < mergedArray.length; x++) {
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if (mergedArray[x] == valueToEvaluate) {
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resultCount++;
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}
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}
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-
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return resultCount;
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}
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public T getMostCommonFromMerge(T[] arrayToMerge) {
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- T[] mergedArray = Arrays.copyOf(inputArray, inputArray.length); //empty array that will hold the value of my new merged array once the logic has been done
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- for (int i = inputArray.length; i < (arrayToMerge.length + inputArray.length); i++) { //for loop iterating through entire length of both arrays
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- mergedArray = Arrays.copyOf(mergedArray, mergedArray.length + 1);
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- mergedArray[i] = arrayToMerge[i - inputArray.length];
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- }
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- //after merging using the above syntax now I want to find the most common occurrence from my new merged array using the method
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+ mergeArrays(arrayToMerge,inputArray);
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+ T[] mergedArray = mergeArrays(arrayToMerge, inputArray);
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this.inputArray = mergedArray;
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T mostCommonOccurrence = mergedArray[0];
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int maxOccurrence = 0;
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@@ -45,10 +44,9 @@ public class ArrayUtility<T> {
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mostCommonOccurrence = value;
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}
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}
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-
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return mostCommonOccurrence;
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}
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- //I could have also used this method below on both arrays above and compared the maxnumbofOccurrences on both arrays and still got my result
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+
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public Integer getNumberOfOccurrences(T valueToEvaluate) {
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int count = 0;
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for (T value : this.inputArray) {
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@@ -56,7 +54,6 @@ public class ArrayUtility<T> {
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count++;
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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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@@ -68,52 +65,6 @@ public class ArrayUtility<T> {
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outputArray[outputArray.length - 1] = inputArray[i];
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}
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}
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-
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return outputArray;
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}
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}
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-// normal method to get numbofoccurrecences, almost identical except my generic of type 'T' is now my object
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-// my objects now no longer need to be cast using the above method
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-// public static Integer getNumberOfOccurrences(Object[] objectArray, Object objectToCount) {
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-// Integer count = 0;
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-// for (int i = 0; i < objectArray.length; i++) {
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-// if (objectArray[i].equals(objectToCount)) {
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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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-// public static <T> T[] mergeArrays(T[] objectArray, T[] objectArrayToAdd) {
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-//
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-// T[] resultOfMergingTwoArrays = Arrays.copyOf(objectArray,
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-// objectArray.length + objectArrayToAdd.length);
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-// System.arraycopy(objectArrayToAdd, 0, resultOfMergingTwoArrays,
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-// objectArray.length, objectArrayToAdd.length);
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-//
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-// return resultOfMergingTwoArrays;
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-// }
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-// this is the normal method, object is now of type 'T' as a generic
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-// public static Integer[] mergeArrays(Object[] objectArray, Object[] objectArrayToAdd) {
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-// Integer[] resultArr = new Integer[objectArray.length + objectArrayToAdd.length];
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-// System.arraycopy(objectArray, 0, resultArr, 0, objectArray.length);
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-// System.arraycopy(objectArrayToAdd, 0, resultArr, objectArray.length, objectArrayToAdd.length);
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-// return resultArr;
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-// }
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-//
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-// public static Object getMostCommon(Object[] objectArray) {
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-// Integer count = 0;
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-// Object obj = null;
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-// for (int i = 0; i < objectArray.length; i++) {
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-// Integer n = getNumberOfOccurrences(objectArray, objectArray[i]);
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-// if (n > count) {
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-// count = n;
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-// obj = objectArray[i];
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-// }
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-// }
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-// return obj;
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-// }
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-// why did intelliJ suggest making me have to cast everything to T...none of these test would pass in this case.
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-// public T countDuplicatesInMerge(Integer[] arrayToMerge, T valueToEvaluate) {
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-// return null;
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-// }
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-//}
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