B
The code runs with no output.
Compilation fails because of an error in line 12.
Compilation fails because of an error in line 15.
Compilation fails because of an error in line 18.
第1题:
public class Test { public static void aMethod() throws Exception { try { throw new Exception(); } finally { System.out.println(“finally”); } } public static void main(String args[]) { try { aMethod(); } catch (Exception e) { System.out.println(“exception”); } System.out.println(“finished”); } } What is the result?()
第2题:
public class ExceptionTest { class TestException extends Exception {} public void runTest () throws TestException {} public void test () /* Point X*/ { runTest (); } } At point X on line 4, which code can be added to make the code compile?()
第3题:
public class TestOne { public static void main (String[] args) throws Exception { Thread.sleep(3000); System.out.println(”sleep”); } } What is the result?()
第4题:
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?()
第5题:
Given: 11. static class A { 12. void process() throws Exception { throw new Exception(); } 13. } 14. static class B extends A { 15. void process() { System.out.println("B "); } 16. } 17. public static void main(String[] args) { 18. A a = new B(); 19. a.process(); 20. } What is the result? ()
第6题:
Throws Exception.
Catch (Exception e).
Throws RuntimeException.
Catch (TestException e).
No code is necessary.
第7题:
Exception
A Exception
A Exception B
A B Exception
Compilation fails because of an error in line 14.
Compilation fails because of an error in line 19.
第8题:
B
The code runs with no output.
An exception is thrown at runtime.
Compilation fails because of an error in line 15.
Compilation fails because of an error in line 18.
Compilation fails because of an error in line 19.
第9题:
Compilation fails because of an error in line 19.
An exception is thrown at runtime.
B
Compilation fails because of an error in line 18.
Compilation fails because of an error in line 15.
The code runs with no output.
第10题:
before
before catch
before after done
before catch done
第11题:
No code is necessary.
throws Exception
catch ( Exception e )
throws RuntimeException
catch ( TestException e)
第12题:
第13题:
1. public class Exception Test { 2. class TestException extends Exception {} 3. public void runTest() throws TestException {} 4. public void test() /* Point X */ { 5. runTest(); 6. } 7. } At Point X on line 4, which code is necessary to make the code compile?()
第14题:
public class Starter extends Thread { private int x= 2; public static void main(String[] args) throws Exception { new Starter().makeItSo(); } public Starter() { x=5; start(); } public void makeItSo() throws Exception { join(); x=x- 1; System.out.println(x); } public void run() { x *= 2; } } What is the output if the main() method is rum?()
第15题:
11.classa { 12. public void process() { System.out.print(”a,”); } } 13. class b extends a { 14. public void process() throws IOException { 15. super.process(); 16. System.out.print(”b,”); 17. throw new IOException(); 18. } } 19. public static void main(String[] args) { 20. try { new b().process(); } 21. catch (IOException e) { System.out.println(”Exception”); } } What is the result?()
第16题:
11. static classA { 12. void process() throws Exception { throw new Exception(); } 13. } 14. static class B extends A { 15. void process() { System.out.println(”B “); } 16. } 17. public static void main(String[] args) { 18.A a=new B(); 19. a.process(); 20.} What is the result?()
第17题:
finally
exception finished
finally exception finished
Compilation fails.
第18题:
Compilation fails.
An exception is thrown at runtime.
The code executes normally and prints “sleep”.
The code executes normally, but nothing is printed.
第19题:
4
5
8
9
Compilation fails.
An exception is thrown at runtime.
It is impossible to determine for certain.
第20题:
42Exc
Exc
42
编译失败
第21题:
正常
编译错误
运行错误
以上都不对
第22题:
end
Compilation fails.
exception end
exception test end
A Throwable is thrown by main.
An Exception is thrown by main.
第23题:
The program prints “lava”
The program prints “java”
An error at line 7 causes compilation to fail.
Compilation succeeds but the program throws an exception.