HashMap.this

Constructs a new <tt>HashMap</tt> with the same mappings as the specified <tt>Map</tt>. The <tt>HashMap</tt> is created with default load factor (0.75) and an initial capacity sufficient to hold the mappings in the specified <tt>Map</tt>.

@param m the map whose mappings are to be placed in this map @throws NullPointerException if the specified map is null

Meta