Go to Tools > Preferences and click the Audit node.Įxpand the following Code Assists category nodes: Java SE > Java > Code Assists. You can turn this feature on or off in the Preferences dialog. The lambda expression replaces the inner class. The IDE analyzes the code to check if code assist is applicable.Ĭlick the code assist icon that appears in the editor margin.Ĭlick the code assist Convert Anonymous Inner Class to a Lambda Expression. In the Java source editor, select the anonymous class to convert. To convert an inner class to a lambda expression: This feature is only accessible if you have specified JDK 1.8 as the target JDK for your project. The results display in the Usages Log window. If not selected, the result of the previous search for usages, if any, are discarded. To direct the output of the search, select New Tab to direct the output to a new Usages Log. In the Where box, define the optional additional areas you want to search in. In the Find box, select the types of references that the search will return. Invoke the command using one of the following ways: In the Applications window or the Structure window, select a class or an interface. In the Java Source Editor, select the name. Select the class or interface in one of the following ways: You can extend the search to libraries if the source files for the libraries are accessible. By default, usages in the current project and its dependency projects are reported. While working in the Java Source Editor, you can quickly locate references to a class or interface and its members. Section 8.4, "How to Add Documentation Comments"Ĩ.2.3 How to Find the Usages of a Class or Interface Section 8.1, "About Working with Java Code" This chapter includes the following sections: Refactoring is useful when you want to modify a program's source code to make it easier to maintain, extend, or reuse. Refactoring is an editing technique that modifies code structure without altering program behavior.
For example, a Frame component displays as rectangular box, a button displays as a smaller button on top of the Frame, and so on. Use the Visual Editor to display a diagram representing your Java code. To edit Java code directly, you can use the Source Editor. For example, you can browse Java elements in your application using a JDeveloper dialog or directly from an open file in the Java Source Editor. This chapter describes how to take advantage of the JDeveloper tools and features that help you create the code for your Java applications.
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