Implementation Example of Iterable Interface

Custom_Iterable.java

/*
* Implement the java.lang.Iterable<E> interface
*/
public class MyCollection<E> implements Iterable<E>{

    public Iterator<E> iterator() {
        return new MyIterator<E>();
    }
}

/*
* Skeleton of the MyIterator
*/
public class MyIterator <T> implements Iterator<T> {

    public boolean hasNext() {
    
        //implement...
    }

    public T next() {
        //implement...;
    }

    public void remove() {
        //implement... if supported.
    }
}

/*
* Iterating Custom Collection "MyCollection"
*/
public static void main(String[] args) {
    MyCollection<String> stringCollection = new MyCollection<String>();

    for(String string : stringCollection){
      // ...
    }
}