public static LinkedList<Integer> doLinkedListInsertAtMedian(int numItems) { Sys

Question

public static LinkedList<Integer> doLinkedListInsertAtMedian(int numItems) {
       System.out.print("doLinkedListInsertAtMedian: ");
       LinkedList<Integer> list = new LinkedList<>();

       // TODO Write code that adds integers 0 through (numitems - 1)
       // to list, inside a loop.
      
       for(int i=0; i<numItems-1; i++){
       list.add(i);
       }

       long startTime = getTimestamp();

       // TODO Write code that adds -1 to list at index
       // (list.size() / 2)
  
      
       long endTime = getTimestamp();
       long totalTime = endTime - startTime;
       System.out.println(totalTime);
      
       return list;
   }

I need help on that 2nd //TODO comment. Any help is appreciated, thank you.

Explanation / Answer

Hi,

I have implemented requred area. Please find the below updated code.

public static LinkedList<Integer> doLinkedListInsertAtMedian(int numItems) {
       System.out.print("doLinkedListInsertAtMedian: ");
       LinkedList<Integer> list = new LinkedList<>();

       // TODO Write code that adds integers 0 through (numitems - 1)
       // to list, inside a loop.
      
       for(int i=0; i<numItems-1; i++){
       list.add(i);
       }

       long startTime = getTimestamp();

       // TODO Write code that adds -1 to list at index
       // (list.size() / 2)
          int index = list.size()/2;
       list.add(index , -1);
     
       long endTime = getTimestamp();
       long totalTime = endTime - startTime;
       System.out.println(totalTime);
      
       return list;
   }

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