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Java Source | 1998-05-08 | 683 b | 26 lines |
- // Copyright(c) 1996,1997 ObjectSpace, Inc.
- import com.objectspace.jgl.*;
-
- public class Overview2
- {
- public static void main( String[] args )
- {
- HashSet set1 = new HashSet();
- set1.add( "red" );
- set1.add( "blue" );
- set1.add( "green" );
-
- HashSet set2 = new HashSet();
- set2.add( "yellow" );
- set2.add( "blue" );
-
- HashSet set3 = set1.union( set2 );
- HashSet set4 = set1.intersection( set2 );
-
- System.out.println( "set1 = " + set1 );
- System.out.println( "set2 = " + set2 );
- System.out.println( "union of set1 and set2 = " + set3 );
- System.out.println( "intersection of set1 and set2 = " + set4 );
- }
- }
-