using System;
public class Bag
{
public Bag() {
imp = new T[ 4 ];
for( int i = 0; i < imp.Length; ++i ) {
imp[i] = default(T);
}
}
public bool IsNull( int i ) {
if( imp[i] == null ) {
return true;
} else {
return false;
}
}
private T[] imp;
}
public class EntryPoint
{
static void Main() {
Bag intBag = new Bag();
Bag