Test Index

Exception Handling

Question : 8

Total: 24

25. try {        
26.  A a = new A();        
27.  a.method1();        
28. } catch (Exception e) {        
29.  System.out.print("an error occurred");        
30. }

Which two statements are true if a NullPointerException is thrown on line 3 of class C? (Choose two.)

1. public class A{      
2.   public void method1(){     
3.    B b= new B();     
4.     b.method2();     
5.     /* more code here*/     
6.   }     
7. }  
  
1. public class B{   
2.   public void method2(){   
3.     C c = new C();   
4.     c.method3();   
5.     /*more code here*/   
6.   }   
7.} 
 
1. public class C{ 
2.   public void method3(){ 
3.     /*more code here*/ 
4.   } 
5. }

The application will crash.
The code on line 29 will be executed.
The code on line 5 of class A will execute.
The code on line 5 of class B will execute.
The exception will be propagated back to line 27

Validate

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