Whenever I code in Java, I always keep an eye on the small colored box in the top right-hand corner of the WebSphere Development Studio client (WDSc) editor. When it's green, all is good; if it's red, I know I have compilation problems. And if it's orange, WDSc has inspected my code according to some simple rules and found that it's probably not up to scratch. For example, I might have defined a variable but not used it, or written a try/catch clause but done nothing to ...

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