Examples of if else statement in C++
Example 1:
Below program demonstrates the use of if else statements in C++.
C++
// C++ program to illustrate if-else statement #include <iostream> using namespace std; int main() { int i = 20; // Check if i is 10 if (i == 10) cout << "i is 10" ; // Since is not 10 // Then execute the else statement else cout << "i is 20\n" ; cout << "Outside if-else block" ; return 0; } |
i is 20 Outside if-else block
Explanation:
- Program starts.
- i is initialized to 20.
- if-condition is checked. i == 10, yields false.
- flow enters the else block.
- “i is 20” is printed
- “Outside if-else block” is printed.
Example 2:
Another program to illustrate the use of if else in C.
C++
// C++ program to illustrate if-else statement #include <iostream> using namespace std; int main() { int i = 25; if (i > 15) cout << "i is greater than 15" ; else cout << "i is smaller than 15" ; return 0; } |
i is greater than 15
Related Articles:
C++ if else Statement
Decision Making in C++ helps to write decision-driven statements and execute a particular set of code based on certain conditions.
The if statement alone tells us that if a condition is true it will execute a block of statements and if the condition is false it won’t. But what if we want to do something else if the condition is false. Here comes the C++ else statement. We can use the else statement with if statement to execute a block of code when the condition is false.