What will happen if you attempt to compile and run the following code? class Base {} class Sub extends Base {} class Sub2 extends Base {} public class CEx{ public static void main(String argv[]){ Base b=new Base(); Sub s=(Sub) b; } }

technology architecture

  1. Compile and run without error

  2. Compile time Exception

  3. Runtime Exception

  4. None of the above

Show answer
Correct Option: C

AI Explanation

To answer this question, let's go through each option to understand why it is correct or incorrect:

Option A) Compile and run without error - This option is incorrect because the code will not compile successfully due to a type casting error. Option B) Compile time Exception - This option is incorrect because the code will not throw a compile-time exception. Option C) Runtime Exception - This option is correct because the code will throw a runtime exception due to the incorrect type casting of the object 'b' to the subclass 'Sub'. Option D) None of the above - This option is incorrect because option C is the correct answer.

The correct answer is C. This option is correct because the code will throw a runtime exception due to the incorrect type casting of the object 'b' to the subclass 'Sub'.

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