##FillLinkedListWithInteger.java
import java.util.*;

public class FillLinkedListWithInteger {

    public static void main(String...args) {

        List<Integer> list = new LinkedList<Integer>();

        long start = System.currentTimeMillis();

        for(Integer i = 0; i < 1000000; i++) {
            list.add(i);
        }


        long end = System.currentTimeMillis();

        System.out.println("Milliseconds: " + (end - start));


    }

}

##java -Xprof -Xint FillLinkedListWithInteger
Milliseconds: 1624

Flat profile of 1.63 secs (87 total ticks): main

  Interpreted + native   Method
 33.3%    29  +     0    java.util.LinkedList.addBefore
 26.4%    23  +     0    FillLinkedListWithInteger.main
 10.3%     9  +     0    java.lang.Integer.valueOf
  8.0%     7  +     0    java.lang.Integer.<init>
  8.0%     7  +     0    java.util.LinkedList$Entry.<init>
  6.9%     6  +     0    java.util.LinkedList.add
  3.4%     3  +     0    java.lang.Number.<init>
  2.3%     2  +     0    java.lang.Object.<init>
  1.1%     1  +     0    java.lang.Integer.intValue
100.0%    87  +     0    Total interpreted


Flat profile of 0.01 secs (1 total ticks): DestroyJavaVM

  Thread-local ticks:
100.0%     1             Blocked (of total)


Global summary of 1.64 seconds:
100.0%   113             Received ticks
 22.1%    25             Received GC ticks

##FillLinkedListWithInt.java
import java.util.*;

public class FillLinkedListWithInt {

    public static void main(String...args) {

        List<Integer> list = new LinkedList<Integer>();

        long start = System.currentTimeMillis();

        for(int i = 0; i < 1000000; i++) {
            list.add(i);
        }


        long end = System.currentTimeMillis();

        System.out.println("Milliseconds: " + (end - start));


    }

}

##java -Xprof -Xint FillLinkedListWithInt
Milliseconds: 1410

Flat profile of 1.42 secs (74 total ticks): main

  Interpreted + native   Method
 59.5%    44  +     0    java.util.LinkedList.addBefore
  8.1%     6  +     0    java.lang.Number.<init>
  6.8%     5  +     0    java.util.LinkedList.add
  6.8%     5  +     0    java.util.LinkedList$Entry.<init>
  6.8%     5  +     0    FillLinkedListWithInt.main
  5.4%     4  +     0    java.lang.Object.<init>
  4.1%     3  +     0    java.lang.Integer.<init>
  2.7%     2  +     0    java.lang.Integer.valueOf
100.0%    74  +     0    Total interpreted


Flat profile of 0.01 secs (1 total ticks): DestroyJavaVM

  Thread-local ticks:
100.0%     1             Blocked (of total)


Global summary of 1.43 seconds:
100.0%    99             Received ticks
 24.2%    24             Received GC ticks