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Selected Reading
Convert a Set into a List in Java
First, create a Set and add elements −
Set<Object> s = new HashSet<Object>();
s.add("P");
s.add(new Date());
s.add(new Long(898999));
s.add("Q");
s.add("R");
s.add(new Integer(1));
Convert the above Set to a List −
List<Object> l = new ArrayList<Object>(s);
The following is an example to convert a set into a list in Java −
Example
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.HashSet;
public class Demo {
public static void main(String[] args) {
Set<Object> s = new HashSet<Object>();
s.add("P");;
s.add(new Date());
s.add(new Long(898999));
s.add("Q");
s.add("R");
s.add(new Integer(1));
List<Object> l = new ArrayList<Object>(s);
for (int i = 0; i < l.size(); i++) {
Object ob = l.get(i);
System.out.println(ob);
}
}
}
Output
P Q 1 R Sat Jan 05 07:34:56 UTC 2019 898999
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