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private node fi RST = null;//is used to store the last node of the linked list private node end = null;//used to store the collection length private int size = 0;//method to add elements public void Add (Object obj) {/ /Create Node object nodes node = new node ();//node stores the added element node.element = obj;//Determines whether the first node is nullif (primary = = NULL) {//First node is the first time the element is added. = node;//Sets the first and last nodes of a node to their own fir

node fi RST = null;//is used to store the last node of the linked list private node end = null;//used to store the collection length private int size = 0;//method to add elements public void Add (Object obj) {/ /Create Node object nodes node = new node ();//node stores the added element node.element = obj;//Determines whether the first node is nullif (primary = = NULL) {//First node is the first time the element is added. = node;//Sets the latter node of the first node to its own first.next = n

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