1. Syntax
errors
Each
programming language has a character set and certain rules for programming. For
example, each language has certain rules for combining characters into words,
for variable types and names etc. If these rules are violated, they result in
syntax
errors.
Syntax errors can be detected at the time of compiling.
2. Logical
errors
This
type of errors occurs due to error in processing data. For example, to find the
value of a purchase by a customer, the program must find the product of the
unit price and the number of units purchased by the Customer. If the program
finds the
sum
of these two numbers, it results in logical error.
3. Run-time
errors
These
errors occur only when the program is executed. So, they are called run-time
errors. For example, a program may try to open a file which is not created.
Since it needs that file for input or output operation, the program cannot
complete its execution.
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