import java.util.Iterator;

import com.maplesoft.openmaple.*;

import com.maplesoft.externalcall.MapleException;

class Example

{

    public static void main( String notused[] ) throws MapleException

    {

        String[] mapleArgs = { "java" };

        Engine engine = new Engine( mapleArgs, new EngineCallBacksDefault(), null, null );

        Set s = (Set)engine.evaluate( "{2,7.5,5,8};" );

     Iterator<Algebraic> it = s.iterator();

        while (it.hasNext()) {

            System.out.println( "Element: " + it.next() );

        }

    }

}

Element: 2

Element: 3

Element: 5

Element: 7.5