Which of the following errors are identified by the compiler?

Syntax errors or diagnostic errors are identified by the compiler. These errors occur when a program does not conform to the grammar of a programming language, and the compiler cannot compile the source file.A syntax error is an error in the syntax of a sequence of characters or tokens that is intended to be written in a particular programming language. Common syntax errors include missing or misplaced ; or }, missing return type for a procedure, missing or duplicate variable declaration, type mismatch on assignment, type mismatch between actual and formal parameters, etc.