package com.discursive.cjcook.guava.collect; import java.util.Set; import com.google.common.collect.Sets; public class SetUnionExample { public static void main(String[] args) { Set<String> names1 = Sets.newHashSet(); names1.add( "Tim" ); names1.add( "Tom" ); names1.add( "Ted" ); Set<String> names2 = Sets.newHashSet(); names2.add( "Susan" ); names2.add( "Tony" ); names2.add( "Ted" ); Set<String> union = Sets.union( names1, names2 ); for( String name : union ) { System.out.printf( "%s\n", name); } } }