Intellij Idea show api docs

  1. Download & unzip Java SE Documentation from Additional Resources section on http://www.oracle.com/technetwork/java/javase/downloads/index.html
  2. In IntelliJ, open File -> Project Structure.
  3. Click on "SDKs" under "Platform Settings".
  4. Add the following paths under the "Documentation Paths" tab: $DOWNLOAD_DIR/jdk-7u67-apidocs/docs/api