Display Map

Map hm = HashMap();
...

Set set = hm.entrySet();


Iterator i = set.iterator();

while(i.hasNext()){
Map.Entry me = (Map.Entry)i.next();
System.out.println(me.getKey() + " : " + me.getValue() );
}

Truncate Log file in SQL Server 2008: Shrink database

BACKUP log with truncate_only

DBCC SHRINKfile(2, 1, truncateonly)