Types
of Errors
Some
common types of errors are given below:
• Syntax is a set of grammatical rules to
construct a program. Every programming language has unique rules for
constructing the sourcecode.
• Syntax errors occur when grammatical rules
of C++ are violated.
• Example: if you type as follows, C++ will
throw an error.
cout << “Welcome to Programming in C++”
• As per grammatical rules of C++, every
executable statement should terminate with a semicolon. But, this statement
does not end with a semicolon.
• A Program has not produced expected result
even though the program is grammatically correct.It may be happened by wrong
use of variable / operator / order of execution etc. This means, program is
grammatically correct, but it contains some logical error. So, Semantic error
is also called as “Logic Error”.
• A run time error occurs during the execution
of a program. It is occurs because of some illegal operation that takes place.
• For example, if a program tries to open a
file which does not exist, it results in a run-time error
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