Object Oriented Programming with C++, Second Edition

2.6 STATEMENTS

A program in any language basically consists of statements. Statements symbolize instructions. They are categorized as follows:

1. Expression statement
2. Assignment statement
3. Selection statement
4. Iteration statement
5. Jump statement

Expression statement

An expression (terminated with semicolon) is a statement in C as well as C++. It is termed as expression statement. Normally it will not have any action associated with it. However, expression statements like

mark++; or x=y+3;

will have an action associated with it. It may be noted that there are empty statements too! If nothing appears between two semicolons, it contains an empty statement. An inadvertent semicolon many times creates bugs in iterative statements.

Consider following code: ...