Information leakage is one of the most important red flags in software design. One of the best skills you can learn as a software designer is a high level of sensitivity to information leakage. If you encounter information leakage between classes, ask yourself “How can I reorganize these classes so that this particular piece of knowledge only affects a single class?” If the affected classes are relatively small and closely tied to the leaked information, it may make sense to merge them into a single class. Another possible approach is to pull the information out of all of the affected classes
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Yes, i really needed this. Good way is to have an object which gets manipulated, as opposed to carrying around different components of that object.
