2025-09-30 12:00:00,123 [main] INFO  com.example.TextFormatDemo - Demonstrating standard text format Log4j
2025-09-30 12:00:00,234 [main] DEBUG com.example.TextFormatDemo - This is a debug message with comma milliseconds
2025-09-30 12:00:00,345 [worker-1] INFO  com.example.TextFormatDemo - Processing task 1
2025-09-30 12:00:00,456 [worker-2] INFO  com.example.TextFormatDemo - Processing task 2
2025-09-30 12:00:00,567 [worker-1] INFO  com.example.TextFormatDemo - Task 1 completed
2025-09-30 12:00:00,678 [worker-2] WARN  com.example.TextFormatDemo - Task 2 taking longer than expected
2025-09-30 12:00:00,789 [worker-2] INFO  com.example.TextFormatDemo - Task 2 completed
2025-09-30 12:00:00,890 [main] ERROR com.example.TextFormatDemo - Simulated error for demonstration
java.lang.RuntimeException: This is a test exception
    at com.example.TextFormatDemo.simulateError(TextFormatDemo.java:45)
    at com.example.TextFormatDemo.main(TextFormatDemo.java:23)
2025-09-30 12:00:01,001 [main] INFO  com.example.TextFormatDemo - Demo complete