The appearance of Java elements in views can be configured on the
      
      
      Java > Appearance preference page and on its sub pages:
     
The options are:
| Option | Description | Default | 
|---|---|---|
| Show method return types | If enabled, methods displayed in views show the return type. | Off | 
| Show method type parameters | If enabled, methods displayed in views show their type parameters. | On | 
| Show categories | If enabled, method, field and type labels contain the categories specified in their Javadoc comment. | On | 
| Show members in Package Explorer | If enabled, Java elements below the level of Java files and Class files are displayed as well. | On | 
| Fold empty packages in hierarchical layout | If enabled, empty packages which do not contain resources or other child elements are folded. | On | 
| Use modified icons for test source folders and test dependencies | If enabled, modified icons are used in the package explorer, search results and other locations for test source folders (darker and with green package symbol) and test dependencies (just darker). | On | 
| Sort library entries alphabetically in Package Explorer | If enabled, the content of library entries are shown in alphabetical order instead of their order on the classpath. It only affects the Package Explorer. | On | 
| Compress package name segments | If enabled, package names, except for the final segment, are compressed according to the compression pattern. | Off | 
| Abbreviate package names | If enabled, package names are abbreviated according to the specified abbreviation rules. | Off | 
| Stack views vertically in the Java Browsing perspective | If enabled, views in Java Browsing perspective will be stacked vertically, rather than horizontally. | Off |