Errors

Syntax Errors

• Represent grammar errors in the use of the programming language.
  • ie. misspelled variable and method names.
  • ie. missing semicolon after statement.
  • ie. mismatching brackets.
• Caught by the compiler.

Runtime

• Caught at runtime, as the program is running.
• May not always be caught or triggered.
• A source of bugs in a program.
• ie. accessing an array out of bounds.

Logic

• A semantic error.
• The code may be valid but doesn’t do what you intended.
• The most difficult kind of error to detect.
• Not caught by compiler.