Get generic Iterator from generic ArrayList
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import java.text.DateFormatSymbols;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
public class OysterMonths {
Collection<String> safeMonths;
public Collection<String> filter(Collection<String> c) {
Collection<String> filteredCollection = new ArrayList<String>();
for (Iterator<String> i = c.iterator(); i.hasNext();) {
String s = i.next();
if (condition(s)) {
filteredCollection.add(s);
}
}
return filteredCollection;
}
public boolean condition(String s) {
return s.contains("r");
}
public static void main(String[] args) {
OysterMonths om = new OysterMonths();
DateFormatSymbols dfs = new DateFormatSymbols();
String[] monthArray = dfs.getMonths();
Collection<String> months = Arrays.asList(monthArray);
om.safeMonths = om.filter(months);
System.out.println("The following months are safe for oysters:");
System.out.println(om.safeMonths);
}
}
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