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Commit 0ec1d53

Browse files
Update List.java
1 parent 24270e3 commit 0ec1d53

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1 file changed

+20
-22
lines changed
  • algorithms/src/main/java/ivanmarkovic/algorithms/linkedlists/circulardoublylinkedlist

1 file changed

+20
-22
lines changed

‎algorithms/src/main/java/ivanmarkovic/algorithms/linkedlists/circulardoublylinkedlist/List.java

Lines changed: 20 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -42,31 +42,29 @@ public void printAll() {
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System.out.println();
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}
4444

45-
public void addToHead(int payload) {
46-
if(this.isEmpty()) {
47-
this.head = this.tail = new Node(payload);
48-
this.head.prev = this.tail;
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this.tail.next = this.head;
45+
public void addToHead(int val){
46+
if(this.isEmpty()){
47+
this.head = this.tail = new Node(val);
48+
this.head.prev = this.tail;
5049
}
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else {
52-
this.head = new Node(payload, this.tail, this.head);
53-
this.head.next.prev = this.head;
54-
this.tail.next = this.head;
51+
this.head = new Node(val, this.tail, this.head);
52+
this.head.next.prev = this.head;
5553
}
56-
}
57-
58-
publicvoidaddToTail(intpayload) {
59-
if(this.isEmpty()) {
60-
this.head = this.tail = newNode(payload);
61-
this.head.prev = this.tail;
62-
this.tail.next = this.head;
63-
}
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else {
65-
this.tail.next = new Node(payload, this.tail, this.head);
66-
this.tail = this.tail.next;
67-
this.head.prev = this.tail;
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}
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}
54+
this.tail.next = this.head;
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}
56+
57+
publicvoidaddToTail(intval){
58+
if(this.isEmpty()){
59+
this.head = this.tail = newNode(val);
60+
this.tail.next = this.head;
61+
}
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else {
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this.tail.next = new Node(val, this.tail, this.head);
64+
this.tail = this.tail.next;
65+
}
66+
this.head.prev = this.tail;
67+
}
7068

7169
public Integer deleteFromHead() {
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if(this.isEmpty())

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