tell me more icon In the IDE

When you complete the steps for creating three Java classes, the Application Navigator should look like this:

Application Navigator after creating Java class

The .java files have been added to your project under the package node oracle.model.freight in the Application Sources folder. The .java files are open in the editor window:

Java source editor

The tabs at the top of the editor window let you select a different file; the tabs at the bottom of the editor let you select a different editor view of the open file.

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