OCJP(310-065)
单选题Click the Exhibit button. Given： Which statement is true if a TestException is thrown on line 3 of class B？（）ALine 33 must be called within a try block.BThe exception thrown by method 1 in class A is not required to be caught.CThe method declared on
题目
Line 33 must be called within a try block.
The exception thrown by method 1 in class A is not required to be caught.
The method declared on line 31 must be declared to throw a runtime exception.
On line 5 of class A,the call to method 2 of class B does not need to be placed in a try catch block.
相似问题和答案
第1题：
A.True
B.Not true
C.An exception is thrown at runtime.
D.Compilation fails because of an error at line 12.
E.Compilation fails because of an error at line 19.
第2题：
A.Line 26 prints "a" to System.out.
B.Line 26 prints "b" to System.out.
C.An exception is thrown at line 26 at runtime.
D.Compilation of class A will fail due to an error in line 6.
第3题：
A. Compilation succeeds.
B. Class A does not compile.
C. The method declared on line 9 cannot be modified to throw TestException.
D. TestA compiles if line 10 is enclosed in a try/catch block that catches TestException.
第4题：
1. public class a { 2. public void method1（） { 3. try { 4. B b=new b（）； 5. b.method2（）； 6. // more code here 7. } catch （TestException te） { 8. throw new RuntimeException（te）； 9. } 10. } 11. } 1. public class b { 2. public void method2（） throws TestException { 3. // more code here 4. } 5. } 1. public class TestException extends Exception { 2. } Given： 31. public void method（） { 32. A a=new a（）； 33. a.method1（）； 34. } Which is true if a TestException is thrown on line 3 of class b？（）
- A、 Line 33 must be called within a try block.
- B、 The exception thrown by method1 in class a is not required to be caught.
- C、 The method declared on line 31 must be declared to throw a RuntimeException.
- D、 On line 5 of class a， the call to method2 of class b does not need to be placed in a try/catch block.
正确答案:B
第5题：
A.The application will crash.
B.The code on line 29 will be executed.
C.The code on line 5 of class A will execute.
D.The code on line 5 of class B will execute.
E.The exception will be propagated back to line 27.
第6题：
A.Line 33 must be called within a try block.
B.The exception thrown by method1 in class A is not required to be caught.
C.The method declared on line 31 must be declared to throw a RuntimeException.
D.On line 5 of class A, the call to method2 of class B does not need to be placed in a try/catch block.
第7题：
A.4
B.5
C.8
D.9
E.Compilation fails.
F.An exception is thrown at runtime.
G.It is impossible to determine for certain.
第8题：
A.Compilation will succeed for all classes and interfaces.
B.Compilation of class C will fail because of an error in line 2.
C.Compilation of class C will fail because of an error in line 6.
D.Compilation of class AImpl will fail because of an error in line 2
第9题：
Class TestException 1. public class TestException extends Exception { 2. } Class a： 1. public class a { 2. 3. public String sayHello（String name） throws TestException { 4. 5. if（name == null） { 6. throw new TestException（）； 7. } 8. 9. return “Hello “+ name； 10. } 11. 12. } A programmer wants to use this code in an application： 45. A a=new A（）； 46. System.out.println（a.sayHello（”John”））； Which two are true？（）
- A、 Class a will not compile.
- B、 Line 46 can throw the unchecked exception TestException.
- C、 Line 45 can throw the unchecked exception TestException.
- D、 Line 46 will compile if the enclosing method throws a TestException.
- E、 Line 46 will compile if enclosed in a try block， where TestException is caught.
正确答案:D,E
第10题：
1.class TestSuper { 22.TestSuper（int i） { } 3. } 4.class TestSub extends TestSuper{ } 5.class TestAll { 6.public static void main （String [] args） { 7.new TestSub（）； 8.} 9.} Which is true？（）
- A、 Compilation fails.
- B、 The code runs without exception.
- C、 An exception is thrown at line 7.
- D、 An exception is thrown at line 2.
正确答案:A