data_structures_free

net/datastructures/Node.java

@@ -0,0 +1,39 @@
+package net.datastructures;
+/**
+ * Node of a singly linked list, which stores references to its
+ * element and to the next node in the list.
+ * 
+ * @author Natasha Gelfand
+ * @author Roberto Tamassia
+ * @author Michael Goodrich
+ */
+//begin#fragment Node
+public class Node<E> {
+  // Instance variables:
+  private E element;
+  private Node<E> next;
+  /** Creates a node with null references to its element and next node. */
+  public Node() {
+    this(null, null);
+  }
+  /** Creates a node with the given element and next node. */
+  public Node(E e, Node<E> n) {
+    element = e;
+    next = n;
+  }
+  // Accessor methods:
+  public E getElement() {
+    return element; 
+  }
+  public Node<E> getNext() { 
+    return next;
+  }
+  // Modifier methods:
+  public void setElement(E newElem) { 
+    element = newElem; 
+  }
+  public void setNext(Node<E> newNext) {
+    next = newNext; 
+  }
+}
+//end#fragment Node