PrimitivesVsObjects.java

// Test Code
 
int[] pArray = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
measurePrint("int Array", pArray);
 
Integer[] oArray = new Integer[10];
for (int i = 0; i < 10; i++)
{
  oArray[i] = new Integer(i + 1);
}
measurePrint("Integer Array", oArray);
 
List oList = new ArrayList(10);
for (int i : pArray)
{
  oList.add(new Integer(i));
}
measurePrint("Integer List", oList);
 
TIntArrayList pList = new TIntArrayList(10);
for (int i : pArray)
{
  pList.add(i);
}
measurePrint("int List", pList);
 
 
// Output
 
// int Array: 56
// Footprint{Objects=1, References=0, Primitives=[int x 10]}
 
// Integer Array: 216
// Footprint{Objects=11, References=10, Primitives=[int x 10]}
 
// Integer List: 240
// Footprint{Objects=12, References=11, Primitives=[int x 12]}
 
// int List: 80
// Footprint{Objects=2, References=1, Primitives=[int x 12]}