Creospan Interview Questions, Process, and Tips

To check logs, use command line tools like tail, grep, and less to view and search through log files.

• Use 'tail' command to view the last few lines of a log file

• Use 'grep' command to search for specific keywords or patterns in a log file

• Use 'less' command to view log files page by page and search for specific content

Use SQL query to filter data based on a condition

• Use WHERE clause to specify the condition

• Example: SELECT * FROM table_name WHERE column_name = 'value'

• You can use logical operators like AND, OR, NOT to combine conditions

Encountered a null pointer exception while accessing a database connection.

• Identified the root cause by debugging the code and found that the database connection was not properly initialized.

• Resolved the issue by adding a check to ensure the database connection is not null before accessing it.

• Implemented proper error handling to prevent similar exceptions in the future.

Following best coding practices is crucial for writing high-quality code.

• Use meaningful variable and function names

• Follow consistent indentation and formatting

• Write modular and reusable code

• Comment code to explain complex logic

• Avoid hardcoding values