C++ if Keyword
Example
Test two values to find out if 20 is greater than 18. If the condition is true, print some text:
if (20 > 18) {
cout << "20 is greater than 18";
}
Definition and Usage
The if statement specifies a block of code to be executed if a condition is true.
C++ has the following conditional statements:
- Use
ifto specify a block of code to be executed, if a specified condition is true - Use
elseto specify a block of code to be executed, if the same condition is false - Use
else ifto specify a new condition to test, if the first condition is false - Use
switchto specify many alternative blocks of code to be executed
More Examples
Example
Use the if statement to test variables:
int x = 20;
int y = 18;
if (x > y) {
cout << "x is greater than y";
}
Related Pages
Read more about conditions in our C++ Conditions Tutorial.
