List list = new ArrayList();
for (int i = 0; i < 10; i++) {
list.add( " "+i);
System.out.println(list.get(i));
}
Map map = new HashMap();
for (int i = 0; i < list.size(); i++) {
map.put( " "+i, list.get(i));
System.out.print(map.get( " "+i));
}
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