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Smart Type Completion Becomes Even Smarter

Maria Khalusova
Maria Khalusova

Most of you are aware of IntelliJ IDEA smart type completion feature that is invoked with Ctrl+Shift+Space shortcut. If you are not familiar with this feature, I totally recommend you to read the post about it, because this thing is a real developer’s gem. Besides, in the latest IntelliJ IDEA 8 Milestone 1 release, this gem became even shinier.

Long story short, let’s cut to the chase and inquire into the matter through the examples.

  • Consider we have the following code:
    Collection is expected
    If we press Ctrl+Shift+Space and get no results, because a collection type is expected, we can press Ctrl+Shift+Space again to make IntelliJ IDEA search for arrays with the same component type and suggest to convert them with Arrays.asList() call.
    Collection is expected 2
  • Press Ctrl+Shift+Space twice, and IntelliJ IDEA will search for chained expressions of the expected type.
    Chained Expressions
  • When an array type is expected, but no suggestions can be made in the current context, press Ctrl+Shift+Space one more time. IntelliJ IDEA will search for collections with the same component type and suggest to convert them with toArray() call.
    Array type expected
    Array type expected 2
Technorati tags: IntelliJ IDEA, IntelliJ, IDE
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