This is a feature of JBuilder SE and Enterprise.
The Introduce Variable refactoring replaces the result of a complex expression, or part of the expression, with a temporary variable name. To display this dialog box, select the complex expression you want to replace, right-click and choose Introduce Variable.
The name of the new variable.
The Java type of the variable. This is read-only.
The selected expression. This is read-only.
Replaces all reads from that expression. If this option is off, only the current selection is replaced.
Completes the refactoring. The refactoring is automatically completed.
Choose Edit|Undo to undo the changes.
See also