HashSet2public class HashSet2 extends Object Union, intersection, difference, symmetric difference, subset. |
Methods Summary |
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public static void | main(java.lang.String[] args)
HashSet set1 = new HashSet();
set1.add( "ape" );
set1.add( "cat" );
set1.add( "bat" );
HashSet set2 = new HashSet();
set2.add( "bat" );
set2.add( "fox" );
set2.add( "ape" );
System.out.println( "set1 = " + set1 + ", set2 = " + set2 );
HashSet set3 = set1.union( set2 );
System.out.println( "set3 = set1.union( set2 ) = " + set3 );
HashSet set4 = set1.intersection( set2 );
System.out.println( "set4 = set1.intersection( set2 ) = " + set4 );
HashSet set5 = set1.difference( set2 );
System.out.println( "set5 = set1.difference( set2 ) = " + set5 );
HashSet set6 = set1.symmetricDifference( set2 );
System.out.println( "set6 = set1.symmetricDifference( set2 ) = " + set6 );
System.out.println( "set4.subsetOf( set3 ) = " + set4.subsetOf( set3 ) );
System.out.println( "set3.subsetOf( set4 ) = " + set3.subsetOf( set4 ) );
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