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Update StackOfLinkedList.java

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yanglbme 2019-03-05 10:18:20 +08:00 committed by GitHub
parent d60f836861
commit 2ea534000b
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1 changed files with 10 additions and 14 deletions
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16
DataStructures/Stacks/StackOfLinkedList.java
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@ -1,7 +1,5 @@
/**
*
* @author Varun Upadhyay (https://github.com/varunu28)
*
*/
// An implementation of a Stack using a Linked List
@ -42,7 +40,7 @@ class Node {
/**
* A class which implements a stack using a linked list
*
* <p>
* Contains all the stack methods : push, pop, printStack, isEmpty
**/
@ -54,8 +52,7 @@ class LinkedListStack {
Node n = new Node(x);
if (head == null) {
head = n;
}
else {
} else {
Node temp = head;
n.next = temp;
head = n;
@ -83,10 +80,9 @@ class LinkedListStack {
Node temp = head;
System.out.println("Stack is printed as below: ");
while (temp != null) {
if(temp.next == null) {
if (temp.next == null) {
System.out.print(temp.data);
}
else {
} else {
System.out.print(temp.data + " -> ");
}
temp = temp.next;
@ -99,12 +95,12 @@ class LinkedListStack {
}
public int getSize() {
if(head == null)
if (head == null)
return 0;
else {
int size = 1;
Node temp = head;
while(temp.next != null) {
while (temp.next != null) {
temp = temp.next;
size++;
}