trying iterators
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@@ -2,6 +2,7 @@ package Sorting;
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import java.util.Arrays;
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import java.util.LinkedList;
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import java.util.ListIterator;
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public class InsertionSorterLinkedList extends Sorter{
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@@ -10,20 +11,27 @@ public class InsertionSorterLinkedList extends Sorter{
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}
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protected void sort(){
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LinkedList<Integer> numbersll = new LinkedList<Integer>(Arrays.asList(numbers));//make a linked list from numbers array
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for(int i=1;i<numbersll.size();i++){
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int value = numbersll.get(i);
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int j=i-1;
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while(j>=0 && compare(numbersll.get(j),value)>0){
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j--;
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}
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numbersll.add(j+1, numbersll.remove(i));
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LinkedList<Integer> numbersLL = new LinkedList<Integer>(Arrays.asList(numbers));//make a linked list from numbers array
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int countOuter=0;
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while(countOuter<numbersLL.size()){
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ListIterator<Integer> outerIterator = numbersLL.listIterator(countOuter);
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int value = numbersLL.get(countOuter);
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ListIterator<Integer> innerIterator = numbersLL.listIterator();
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int current, countInner;
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countInner = 0;
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do{
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current = innerIterator.next();
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countInner++;
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}while(countInner<=countOuter && compare(value, current)>0);
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numbersLL.add(innerIterator.previousIndex(), numbersLL.remove(countOuter));
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countOuter++;
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}
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/*
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for(int i=0;i<numbers.length;i++){
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writeToArray(numbers, i, numbersll.removeFirst());//write sorted linked list back into array
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}*/
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numbersll.toArray(numbers);
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numbersLL.toArray(numbers);
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writesUsed += numbers.length;
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}
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