• A. Option A
• B. Option C
• C. Option E
• D. Option B
• E. Option D

解説: (PassTest メンバーにのみ表示されます)

• A. Collection m = new TreeMap<Object, Object>();
• B. SortedMap<Object, Object> m = new TreeMap<Object, Object> ();
• C. Map<String, String> m = new SortedMap<String, String>();
• D. HashMap<Object, Object> m = new SortedMap<Object, Object>();
• E. Hashtable m= new HashMap();
• F. Map<List, ArrayList> m = new Hashtable<List, ArrayList>();

SimpleDateFormat sdf;

• A. sdf = new SimpleDateFormat ("MMMM", Locale.UK); System.out.println("Result:", sdf.format(new date()));
• B. sdf = new SimpleDateFormat ("MM", Locale.UK); System.out.println("Result:", sdf.format(new date()));
• C. sdf = new SimpleDateFormat ("MMM", Locale.UK); System.out.println("Result:", sdf.format(new date()));
• D. sdf = new SimpleDateFormat ("mm", Locale.UK); System.out.println("Result:", sdf.format(new date()));

解説: (PassTest メンバーにのみ表示されます)

• A. try {
  ResultSet rs = stmt.executeQuery (query);
  statement stmt = con.createStatement();
  while (rs.next()) (/* . . . */)
  } catch (SQLException e) {}
• B. try {
  Statement stmt = con.createStatement();
  ResultSet rs = stmt.executeQuery (query);
  while (rs.next()) (/* . . . */)
  } catch (SQLException e) {}
• C. try {
  Statement stmt = con.createStatement();
  ResultSet rs = stmt.executeQuery (query);
  while (rs.next()) (/* . . . */)
  } finally {
  rs.close();
  stmt.close();
  }
• D. try {
  ResultSet rs = stmt.executeQuery (query);
  Statement stmt = con.createStatement();
  while (rs.next()) (/* . . . */)
  } finally {
  rs.close();
  stmt.close();
  }

public class Main {
public static void main(String... ag) {
Vehicle v = new SportsCar();
System.out.println(v.goes());
Tank t = (Tank) v;
System.out.println(t);
}
}
class Vehicle {
public String goes() {
return "goes ";
};
}
class SportsCar extends Vehicle {
public String goes() {
return "fast ";
};
}
class Tank extends Vehicle {
public String goes() {
return "slow ";
}; }

• A. Option A
• B. Option C
• C. Option E
• D. Option B
• E. Option D
• F. Option F

解説: (PassTest メンバーにのみ表示されます)