1Z1-804 無料問題集「Oracle Java SE 7 Programmer II」

（A）class java.lang.Exception

（B）class java.io.FileNotFoundException

（C）Compilation fails

（D）An empty file is created and success is printed

（E）class java.io.IOException

（A）Class Y demonstrates high cohesion.

（B）Class X has-a Class Z.

（C）Class Util has weak encapsulation.

（D）Class SuperX's level of cohesion CANNOT be determined

（E）Class X is loosely coupled to Class Util.

（A）Task.Counter.increment();

（B）Task.Counter().increment();

（C）new Task().new Counter().increment();

（D）new Task().Counter().increment();

（E）new Task.Counter().increment();

（A）CustomerDAO custDao = (CustomerDAO) new CustomerDAOmemoryImp1();

（B）CustomerDAO custDao = (CustomerDAO) new Object ();

（C）CustomerDAO custDao = CustomerDAO.getInstance();

（D）CustomerDAO custDao = CustomerDAO();

（E）CustomerDAO custDao = customerDAOFactory.getInstance();

（A）partList.putIfAbsent(key,"Blue Shirt");

（B）partList.putAtomic(key,"Blue Shirt")

（C）if (!partList.containsKey(key)) partList.put (key,"Blue Shirt");

（D）partList.out(key,"Blue Shirt");

（E）partList.putIfNotLocked (key,"Blue Shirt");

（A）try {
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery (query);
while (rs.next()) (/* . . . */)
} finally {
rs.close();
stmt.close();
}

（B）try {
ResultSet rs = stmt.executeQuery (query);
statement stmt = con.createStatement();
while (rs.next()) (/* . . . */)
} catch (SQLException e) {}

（C）try {
ResultSet rs = stmt.executeQuery (query);
Statement stmt = con.createStatement();
while (rs.next()) (/* . . . */)
} finally {
rs.close();
stmt.close();
}

（D）try {
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery (query);
while (rs.next()) (/* . . . */)
} catch (SQLException e) {}

（A）3

（B）1

（C）Compilation fails

（D）4

（E）6

（F）Not possible to answer due to missing exhibit.