import java.util.List;

public class Throw {
  <E extends Exception> void throwTypeVar(E ex) {
    try {
      throw ex;
    } catch (Exception e) {
    }
  }

  void throwWildcard(List<? extends Exception> list) {
    try {
      throw list.get(0);
    } catch (Exception e) {

    }
  }
}