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Java Source | 1997-07-30 | 1.2 KB | 45 lines |
- import COM.objectspace.jgl.*;
-
- /**
- * Counting, finding, erasing.
- *
- * @see COM.objectspace.jgl.HashMap
- * @version 2.0.2
- * @author ObjectSpace, Inc.
- */
-
- public class HashMap6
- {
- public static void main( String[] args )
- {
- HashMap map = new HashMap( true ); // allow duplicates
- map.add( "cat", "Meow" );
- map.add( "ape", "Squeak" );
- map.add( "ape", "Whoop" );
- map.add( "bat", "Squeak" );
- System.out.println( map );
-
- System.out.println( "map.count( ape ) = " + map.count( "ape" ) );
- HashMapIterator i = map.find( "ape" );
-
- if ( i.equals( map.end() ) ) // A simpler way: if ( i.atEnd() ) ...
- {
- System.out.println( "Could not find dog." );
- }
- else
- {
- while ( !i.atEnd() && i.key().equals( "ape" ) )
- {
- System.out.println( "Found " + i.get() );
- i.advance();
- }
- }
- System.out.println( "map.remove( ape ) = " + map.remove( "ape" ) );
- HashMapIterator j = map.find( "ape" );
- if ( j.atEnd() ) // A simpler way: if ( j.equals( map.end() ) ) ...
- System.out.println( "Could not find ape." );
- else
- System.out.println( "Found " + j.get() );
- }
- }
-