The application will crash.
The code on line 29 will be executed.
The code on line 5 of class A will execute.
The exception will be propagated back to line 27.
The code on line 5 of class B will execute.
第1题:
A.The instance gets garbage collected.
B.The code on line 33 throws an exception.
C.The code on line 35 throws an exception.
D.The code on line 31 throws an exception.
E.The code on line 33 executes successfully.
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 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4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?()
第5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?()
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.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8题:
A.Point p = new Point();
B.Line.Point p = new Line.Point();
C.The Point class cannot be instatiated at line 15.
D.Line l = new Line() ; l.Point p = new l.Point();
第9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?()
第10题:
1. public class A { 2. void A() { 3. System.out.println(“Class A”); 4. } 5. public static void main(String[] args) { 6. new A(); 7. } 8. } What is the result?()