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C++ The foreach Loop


The foreach Loop

There is also a "for-each loop" (introduced in C++ version 11 (2011), which is used exclusively to loop through elements in an array (or other data sets):

Syntax

for (type variableName : arrayName) {
  // code block to be executed
}

The following example outputs all elements in an array, using a "for-each loop":

Example

int myNumbers[5] = {10, 20, 30, 40, 50};
for (int i : myNumbers) {
  cout << i << "\n";
}
Try it Yourself »

Note: Don't worry if you don't understand the example above. You will learn more about arrays in the C++ Arrays chapter.


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