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Use descriptive names

Be descriptive and succinct when naming variables, fields or methods. You should almost never use a single-letter name or an overly long name.

There are a few exceptions to this rule. One notable exception is loop variables for for loops. You may use single-letter variable such as i or j. Expand for more details.

Follow Java naming conventions

Names must follow standard Java naming conventions. Variables, methods, and fields should be in lowerCamelCase, classes should be in UpperCamelCase, and constants should be in SCREAMING_CASE.