[Solved] Find the problem in this code snippet:public void openFile() throws IOException { try { // code } catch (Exception e) { throw e; } } | Java

Java - Exception Handling

Find the problem in this code snippet:

public void openFile() throws IOException {
  try {
    // code
  } catch (Exception e) {
    throw e;
  }
}

AThrowing generic Exception instead of IOException

BMissing finally block

CNo problem, code is correct

DCatching Exception but method declares IOException

Step-by-Step Solution

Solution:

Step 1: Analyze catch block
Catch block catches Exception, which may include checked exceptions other than IOException.
Step 2: Check method throws declaration
Method declares only IOException, but rethrows Exception, causing mismatch.
Final Answer:
Catching Exception but method declares IOException -> Option D
Quick Check:
Method throws declaration must cover all thrown checked exceptions [OK]

Quick Trick: Throws declaration must match all checked exceptions thrown [OK]

Common Mistakes:

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