The code listing for quick check 13.2 answer contains an extra space before the final curly brace.
The code listing for the distance method contains an extra space before the final curly brace.
The code listing for the main function contains an extra space before the final curly brace.
The list of classical languages should be in alphabetical order, with Python appearing after PHP.
Quick check 24.3 should contain a colon after "should output" and there should be no period after 135°54'0.0" E, as the solution does not print a period.
The birthday method in listing 27.3 contains an extra space before the closing curly brace.
Listing 28.16 contains an extra space before the final curly brace.