Can a finally block be skipped?

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In Java, the finally block is designed to always execute, regardless of whether an exception is thrown or caught. However, there are a few rare situations where the finally block can be skipped.

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✅ Normally, finally always runs

The finally block runs:

• After try completes successfully.

• After catch handles an exception.

• Even if a return statement is used in try or catch.

try {
    return;
} catch (Exception e) {
    // handle
} finally {
    System.out.println("Always runs");
}

---

❌ When finally Can Be Skipped:

1. System.exit(0) is called
   Terminates the JVM immediately before finally runs.

       System.exit(0);
   } finally {
       System.out.println("This won't run");
   }
   

2. Thread is killed
   If the thread is forcibly stopped (e.g., using Thread.stop()), finally may be skipped (not recommended in modern Java).

3. Fatal Errors
   Errors like OutOfMemoryError or StackOverflowError may prevent finally from executing.

4. JVM crashes
   If the JVM crashes due to a native error or hardware failure, finally won’t execute.

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🔍 Key Points:

• Under normal execution, finally block always runs.

• Use it for resource cleanup: closing files, releasing connections, etc.

• Avoid using System.exit() if you rely on finally.

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Conclusion:
The finally block is a powerful way to ensure clean-up code always runs, but developers should be aware of extreme conditions that might prevent its execution.

Read more: 

What is the difference between Collection and Collections?

What is a try-catch-finally block?

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