- Inserting semicolons at the end of expression in for loop or while loop or if or switch.
For example:
for ( a = 4; a <= 10; a++);
{
printf ( "%d", a );
}
{
printf ( "%d", a );
}
2. Not inserting semicolon at the end of expression of while in do-while loop.
3. Not including curly braces to include if or loop statements.
4. Using an assignment operator in if expression instead of equality operator.