HashSet set = new HashSet();
set.add( "cat" );
set.add( "ape" );
set.add( "dog" );
set.add( "bat" );
System.out.println( set );
System.out.println( "set.count( dog ) = " + set.count( "dog" ) );
HashSetIterator i = set.find( "dog" );
if ( i.equals( set.end() ) ) // A simpler way: if ( i.atEnd() ) ...
System.out.println( "Could not find dog." );
else
System.out.println( "Found " + i.get() );
System.out.println( "set.remove( dog ) = " + set.remove( "dog" ) );
HashSetIterator j = set.find( "dog" );
if ( j.atEnd() ) // A simpler way: if ( j.equals( set.end() ) ) ...
System.out.println( "Could not find dog." );
else
System.out.println( "Found " + j.get() );
