Working with the For-Each Loop in Java

What Is The for-each Loop in Java?

The for-each loop in Java is a loop that is used to iterate over elements in an array. This type of loop is usually used when you want to process every element in an array, as opposed to a for loop, which is used for more complex iterations. The for-each loop was introduced in Java 5 and is designed to make it easier to iterate over arrays.

How Does the for-each Loop Work?

The for-each loop takes the form "for (Type item : array)", where item is the name of a variable that will hold each element of the array, and array is the name of the array being iterated over. Each time through the loop, the item variable contains the next element in the array. The loop is executed until every element in the array has been processed.

Example of the for-each Loop in Java

For example, let's say you have an array of strings called words. You can iterate over this array with the following for-each loop:

for (String word : words) {
   System.out.println(word);
}

This will print out each element of the words array on a separate line.

Conclusion

The for-each loop in Java is a convenient way to iterate over arrays. It makes your code simpler and more readable than a traditional for loop, and it also helps reduce typing errors. If you're working with an array in Java, you should use the for-each loop whenever possible.