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Java Source | 1998-05-08 | 979 b | 34 lines |
- // Copyright(c) 1996,1997 ObjectSpace, Inc.
- import com.objectspace.jgl.*;
- import com.objectspace.jgl.algorithms.*;
- import com.objectspace.jgl.predicates.*;
-
- /**
- * Counting provides algorithms for tabulating the elements of a container.
- *
- * @see com.objectspace.jgl.algorithms.Counting
- * @version 3.0.0
- * @author ObjectSpace, Inc.
- */
-
- public class Algorithms3
- {
- public static void main( String[] args )
- {
- SList list = new SList();
- list.add( new Integer( -1 ) );
- list.add( new Integer( 1 ) );
- list.add( new Integer( -2 ) );
- list.add( new Integer( 1 ) );
- list.add( new Integer( -3 ) );
- System.out.println( "list = " + list );
-
- Object value = new Integer( 1 );
- int n1 = Counting.count( list, value );
- System.out.println( "Occurences of " + value + " = " + n1 );
-
- int n2 = Counting.countIf( list, new NegativeNumber() );
- System.out.println( "Occurences of a negative = " + n2 );
- }
- }
-