Robert Simmons, Jr. explains some techniques for dealing with legacy Java code on O'Reilly. "This article presents seven techniques I've developed and used in my consulting work that are designed to improve legacy code. You can apply some of these techniques using either freely available tools or with scripts. You'll apply the others manually, but they shouldn't represent a significant investment in time. Be forewarned, however, that all of these techniques may reveal other issues in the code base, such as hidden bugs, which could take a significant amount of time to fix."

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