Definition: An expression is a statement that has a value. In C, C++ and C# . An expression is always inside brackets like these examples.
( y > 4)
( x== 8 and (c=='U')
( c = 1)
The last example isn't a mistake. It is an assignment statement, setting c to 1. The value of this statement is 1.
Glossary:
A B C D E F G H I J K L M N O P Q R S T U V W X Y ZExamples:
Don't forget that expressions must always be inside brackets.

