twitterStyleGuide.java

// Bad.
//   - Line breaks are arbitrary.
//   - Scanning the code makes it difficult to piece the message together.
throw new IllegalStateException("Failed to process request" + request.getId()
    + " for user " + user.getId() + " query: '" + query.getText()
    + "'");

// Good.
//   - Each component of the message is separate and self-contained.
//   - Adding or removing a component of the message requires minimal reformatting.
throw new IllegalStateException("Failed to process"
    + " request " + request.getId()
    + " for user " + user.getId()
    + " query: '" + query.getText() + "'");