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C++ lessons (19/42)

C++ — Arrays

Declare array

int arr[5] = {1, 2, 3, 4, 5};

Access elements

cout << arr[0] << endl;

Array with size

int arr[5];
for (int i = 0; i < 5; i++) {
    arr[i] = i * 2;
}

Range-based for

for (int x : arr) {
    cout << x << " ";
}

Mini Practice

  1. Declare arrays
  2. Access elements
  3. Loop through arrays
  4. Use range-based for

Up Next

Continue with Pointers - Pointer concepts.

Related Topics

Break ContinueStructuresReferencesPointers

Frequently Asked Questions about Arrays

What is Arrays in C++?

Arrays is a fundamental concept in C++. This lesson explains it step by step with clear examples, making it easy for beginners to understand.

How do I learn Arrays?

Start by reading the explanation above, then try the code examples. Practice by modifying the examples and experimenting with different values. Hands-on practice is the best way to learn Arrays.

Why is Arrays important in C++?

Arrays is essential for C++ development. Understanding this concept will help you write better code and solve real-world problems more effectively.