How can you prevent hardcoding secrets (e.g., API keys) in Java code?
You can prevent hardcoding secrets by using environment variables or external configuration files, and accessing them securely in the Java code using libraries like `Spring Boot` or `Java Properties`.
Excellent! Youâ€™ve correctly described how to avoid hardcoding secrets.
Can you explain how to securely manage credentials using a vault service like HashiCorp Vault or AWS Secrets Manager in a Java application?