摘要：You want to replace an algorithm with one that is clearer. Replace the body of the method with the new algorithm. 阅读全文

摘要：You have a long method that uses local variables in such a way that you cannot apply extract method. Turn the method into its own object so that all the local variables become fields that object. You ... 阅读全文

摘要：The code assigns to a parameter. Use a temporary variable instead. 阅读全文

摘要：You have a temporary variable assigned to more than once, but is not a loop variable nor a collecting temporary variable.Make a separate temporary variable for each assignment. 阅读全文

摘要：You have a complicated expression. Put the result of the expression, or parts of the expression, in a temporary variable with a name that explains the purpose. 阅读全文

摘要：You are using a temporary variable to hold the result of an expression. Extract the expression into a method. Replace all references to the temp with the expression. The new method can then be used in... 阅读全文

摘要：You have a temp that is assigned to once with a simple expression, and the temp is getting in the way of other refactoring.Sample: BeforeCode highlighting produced by Actipro CodeHighlighter (freewar... 阅读全文

摘要：A method's body is just as clear as its name. Put the method’s body into the body of its callers and remove the method.Sample: BeforeRefactorCode highlighting produced by Actipro CodeHighlighter (fr... 阅读全文

摘要：You have a code fragment that can be grouped together.Turn the fragment into a method whose name explains the purpose of the method. Why: First, it increases the chances that other methods can use a ... 阅读全文