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@@ -10,34 +10,52 @@ public class ArrayUtility<T> {
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public T[] inputArray;
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public T[] mergedArray;
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- public ArrayUtility(T[] inputArray){
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+ public ArrayUtility(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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- this.mergedArray = Arrays.copyOf(this.inputArray, this.inputArray.length + arrayToMerge.length);
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- System.arraycopy(arrayToMerge, 0, mergedArray, mergedArray.length - arrayToMerge.length, arrayToMerge.length);
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- return null;
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+ Arrays.sort(mergeArrays(arrayToMerge));
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+ for( )
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+ return null;
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}
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public Integer countDuplicatesInMerge(T[] arrayToMerge, T valueToEvaluate) {
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- this.mergedArray = Arrays.copyOf(this.inputArray, this.inputArray.length + arrayToMerge.length);
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- System.arraycopy(arrayToMerge, 0, mergedArray, mergedArray.length - arrayToMerge.length, arrayToMerge.length);
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- Integer count = 0;
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- for (T t : this.mergedArray){
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- if (t == valueToEvaluate){
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- count++;
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- }
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- }
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+ mergeArrays(arrayToMerge);
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+ Integer count = 0;
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+ for (T elementInArray : this.mergedArray) {
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+ if (elementInArray == 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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public Integer getNumberOfOccurrences(T valueToEvaluate) {
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- return null;
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+ Integer count = 0;
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+ for (T elementInArray : this.inputArray) {
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+ if (elementInArray == 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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public T[] removeValue(T valueToRemove) {
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- return null;
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+ T[] arrayWitValueRemoved = Arrays.copyOf(this.inputArray, this.inputArray.length - getNumberOfOccurrences(valueToRemove));
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+ Integer indexCount = 0;
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+ for (T elementInArray : this.inputArray) {
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+ if (valueToRemove != elementInArray) {
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+ arrayWitValueRemoved[indexCount] = elementInArray;
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+ indexCount++;
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+ }
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+ }
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+ return arrayWitValueRemoved;
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}
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+ public T[] mergeArrays(T[] arrayToMerge) {
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+ this.mergedArray = Arrays.copyOf(this.inputArray, this.inputArray.length + arrayToMerge.length);
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+ System.arraycopy(arrayToMerge, 0, mergedArray, mergedArray.length - arrayToMerge.length, arrayToMerge.length);
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+ return this.mergedArray;
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+ }
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}
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