Code example for ConcurrentHashMap

Methods: containsKey

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    } 
 
 
    @Override 
    public boolean containsKey(final BytesKey key) { 
        return this.map.containsKey(key); 
    } 
 
 
    @Override 
    public OpItem get(final BytesKey key) { 
        return this.map.get(key); 
    } 
 
 
    @Override 
    public Iterator<BytesKey> keyIterator() { 
        return this.map.keySet().iterator(); 
    }