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Map<Integer, String> map = new TreeMap<Integer, String>();
int finalnum = 0;
for (int i = 0; i < 80000000; i++) {
if(i % 500000 == 0) {
finalnum++;
Log.info("500000 puted...:" + finalnum);
}
map.put(i, "");
// finalnum = i;
}
Log.info("map made finish:" + map.size());