On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen,lying tangent to the flammability range,is called the().
class One { void foo() {} } class Two extends One { //insert method here } Which three methods, inserted individually at line 14, will correctly complete class Two?()
class Parser extends Utils { public static void main (String [] args) { try { System.out.print(new Parser().getInt("42")); } catch (NumberFormatException n) { System.out.println("NFExc "); } } int getInt(String arg) throws NumberFormatException { return Integer.parseInt(arg); } } class Utils { int getInt(String arg) { return 42; } } 结果为:()
class Dog { } class Harrier extends Dog { } class DogTest { public static void main(String [] args) { Dog d1 = new Dog(); Harrier h1 = new Harrier(); Dog d2 = h1; Harrier h2 = (Harrier) d2; Harrier h3 = d2; } } 下面哪一项是正确的?()
Oracle9i extends the cursor sharing functionality with the new value of SIMILAR for the CURSOR_SHARING parameter. With CURSOR_SHARING = SIMILAR, cursors are shared for safe literals only. What is meant by ‘safe literals only’?()
Given: 3.class MyServlet extends HttpServlet { 4.public void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException,IOException { 5.// servlet code here ... 26.} 27.} If the DD contains a single security constraint associated with MyServlet and its only tagsand tags are:GETPUT Admin Which four requests would be allowed by the container?()
public class TestSeven extends Thread { private static int x; public synchronized void doThings() { int current = x; current++; x = current; } public void run() { doThings(); } } Which is true?()
现有: class Parser (类)extends(继承) Utils { public static void main(String [] args) { System.out.print(输出打印)(new Parser().getInt("42")); } int getInt(String arg) { return Integer.parseInt(arg); } } class Utils { int getInt(String arg) throws Exception { return 42; } } 结果为:()
Given: 10. class One { 11. void foo() { } 12. } 13. class Two extends One { 14. //insert method here 15. } Which three methods, inserted individually at line 14, will correctly complete class Two?()
1. class Exc0 extends Exception { } 2. class Exc1 extends Exc0 { } 3. public class Test { 4. public static void main(String args[]) { 5. try { 6. throw new Exc1(); 7. } catch (Exc0 e0) { 8. System.out.println(“Ex0 caught”); 9. } catch (Exception e) { 10. System.out.println(“exception caught”); 11. } 12. } 13. } What is the result?()