import java.util.HashSet;
import java.util.Set;
public class AddAll {
public static void main(String[] args) {
Set<String> hs = new HashSet<String>();
hs.add("java");
hs.add("php");
hs.add("html");
hs.add("javascript");
hs.add("mysql");
// print hashset
System.out.println("hs is = " + hs);
HashSet<String> hashSet = new HashSet<String>();
/*
* Adds all of the elements in the specified
* collection to hashset collection
*/
hashSet.addAll(hs);
System.out.println("hashset is="+hashSet);
}
}
Output:
hs is = [javascript, php, html, java, mysql]
hashset is=[javascript, php, java, html, mysql]
import java.util.Set;
public class AddAll {
public static void main(String[] args) {
Set<String> hs = new HashSet<String>();
hs.add("java");
hs.add("php");
hs.add("html");
hs.add("javascript");
hs.add("mysql");
// print hashset
System.out.println("hs is = " + hs);
HashSet<String> hashSet = new HashSet<String>();
/*
* Adds all of the elements in the specified
* collection to hashset collection
*/
hashSet.addAll(hs);
System.out.println("hashset is="+hashSet);
}
}
Output:
hs is = [javascript, php, html, java, mysql]
hashset is=[javascript, php, java, html, mysql]
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