a quick observation: I have a sense that, the fewer variables I use relative to keywords and operators, the better. I.e. my code seems to be less buggy and more elegant if there are few temporary scaffolding variables (loop counters and so on), hardcoded class names, complicated data structure dereferencing and method calls (in order of decreasing egregiousness). It's easy to see code quality by the colors in my editor :-)
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