OIM Coding Standard: Do's and Don'ts

I am not an expert but here are few Do's and Don't s based on my experience:

Do's

• Make use of Loggers
• Use different level of Logger Level based upon data you want to print
• Each method must have the "Entering" and "Exiting" statements
• Must print atleast "User Login" in Entering Statement
• Use organization specific package and class names
• Maintain minimum jar files
• Make minimum use of class variables
• Make minimum OIM API instances or Database Connection
• Each class and method must have Java Comments
• Make use of Try/Catch and Throws/Throw for Error Handling
• Use meaningful names for variables and java class
• Make use of Lookups, System Properties for storing configurable parameters
• Close the OIM API Instances and Database at the end of Operation
• Must print the error message before throw statement and inside catch block

Don't:

• Do not hard code anything
• Do not use System.out.println in Java Code
• Do not print password in Java Code