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import java.util.ArrayList;
import java.util.ListIterator;
public class Main {
public static void main(String[] args) {
ArrayList<String> aList = new ArrayList<String>();
aList.add("1");
aList.add("2");
aList.add("3");
aList.add("4");
aList.add("5");
ListIterator<String> listIterator = aList.listIterator();
listIterator.next();
listIterator.set("100");
for (String str : aList) {
System.out.println(str);
}
}
}
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