Wildcard imports should not be used too frequently
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Exceptions shouldn’t be caught with system exception classes
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Using {curly braces} is less error-prone
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Too much commented out code can be counter-productive
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The vocabulary frequency is too low
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Bulky files are complex to work with
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A line of code shouldn’t be too long (to help readability)
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Ensure the code contains enough block of comments
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Short code identifiers are harder to understand
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