protected void checkCapacity() {
        if (size >= threshold) {
            int newCapacity = data.length * 2;
            if (newCapacity <= MAXIMUM_CAPACITY) {
                ensureCapacity(newCapacity);
            }
        }
    }
protected void checkCapacity() {
        if (size >= threshold) {
            int newCapacity = data.length * 2;
            if (newCapacity <= MAXIMUM_CAPACITY) {
                ensureCapacity(newCapacity);
            }
        }
    }
protected void checkCapacity ( ) { if ( size >= threshold ) { int newCapacity = data . length * 2 ; if ( newCapacity <= MAXIMUM_CAPACITY ) { ensureCapacity ( newCapacity ) ; } } }
Checks the capacity of the map and enlarges it if necessary.
<p/>
This implementation uses the threshold to check if the map needs
enlarging
Checks the capacity of the map and enlarges it if necessary . <p / > This implementation uses the threshold to check if the map needs enlarging