If Else Statement

Lesson 44/120

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Data Structures and Algorithms C++ Fundamentals

Lesson 44/120

The if-else Statement

Provides two execution paths — one for when the condition is true, and an alternative for when it is false.

SYNTAX

if (condition) {
    // true branch
} else {
    // false branch
}

✓ TRUE PATH

if (n % 2 == 0) {
  cout << "Even";
}

✗ FALSE PATH

else {
  cout << "Odd";
}

Practical Example

int age = 16;
if (age >= 18) {
    cout << "Can vote";
} else {
    cout << "Too young to vote";
}

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Two Paths

Provides two execution paths — one for when the condition is true, and an alternative for when it is false.

SYNTAX

if (condition) {
    // true branch
} else {
    // false branch
}

✓ TRUE PATH

if (n % 2 == 0) {
  cout << "Even";
}

✗ FALSE PATH

else {
  cout << "Odd";
}

Practical Example

int age = 16;
if (age >= 18) {
    cout << "Can vote";
} else {
    cout << "Too young to vote";
}