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Iterating Through a Null-Terminated Linked List in Java

This guide demonstrates how to traverse a null-terminated linked list using an iteration idiom in Java. The provided code snippet illustrates a simple `for` loop where each node in the list is accessed until reaching a null reference. The example includes a list containing the names Alice, Bob, and Carol, showcasing how each item is printed to standard output. This idiom is fundamental in understanding linked list structures and their manipulation, providing a clear approach for iterating through the elements.

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Iterating Through a Null-Terminated Linked List in Java

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  1. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } first Alice Bob Carol null item next

  2. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x first Alice Bob Carol null item next

  3. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x first Alice Bob Carol null item next

  4. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice first Alice Bob Carol null item next

  5. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice first Alice Bob Carol null item next

  6. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice first Alice Bob Carol null item next

  7. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice Bob first Alice Bob Carol null item next

  8. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice Bob first Alice Bob Carol null item next

  9. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice Bob first Alice Bob Carol null item next

  10. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice Bob Carol first Alice Bob Carol null item next

  11. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice Bob Carol first Alice Bob Carol null item next

  12. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } x Alice Bob Carol first Alice Bob Carol null item next

  13. Traversing a List • Iteration. Idiom for traversing a null-terminated linked list. for(Node x = first; x !=null; x = x.next) { StdOut.println(x.item); } Alice Bob Carol first Alice Bob Carol null item next

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