23 Feb
                
                    2011
                
            
            
                23 Feb
                
                '11
                
            
            
            
        
    
                1:45 p.m.
            
        On Wed, Feb 23, 2011 at 11:08 AM, Johan Tibell 
... HashTable is not a concurrent data structure. You need e.g. a lock free mutable hash table.
Good implementations of which are *not* thick on the ground. Even java.util.concurrent isn't fully lock-free. -Jan