collections - converting
to Arrays
■ Creating Arrays from Collections and Maps:
Object[
] a = yourlist.toArray( ); Creates an array containing
the elements in a list
Object[
] a = yourset.toArray( ); Creates an array containing
the elements in a set
Object[
] a = yourmap.keySet( ).toArray( ); Creates
an array containing the keys in a map
Object[
] a = yourmap.values( ).toArray( );
Creates an array
containing the values in a map