Write a java method called "containsCycle" that receives the head of a singly linked list and returns true if the linked list contains a cycle and returns false otherwise. A linked list contains cycles if the next reference of any node refers to a preceding node. For example the linked list contains a cycle:

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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data structure-JAVA

Write a java method called "containsCycle" that receives the head of a singly linked list and
returns true if the linked list contains a cycle and returns false otherwise. A linked list contains
cycles if the next reference of any node refers to a preceding node. For example the linked list
contains a cycle:
Head
Important Notes:
1) Linked list class to used for this questions has only a head attribute and has the following
methods:
- void add(int o, Node next) //adds the o in a node at the end of the list and assigns its next
reference to next.
- void remove(int o) // removes the node containing o,
- addFirst (int o) // adds o into a node at the beginning of the linked list.
2) Linked list nodes are instance of the following class:
class Node{
Node next;
int data;
Node(int o){
data = 0;
}}
3) You can define only one new data structure e.g. array, arraylist, linkedlist, stack, ...etc.
4)You will not get any credits if you Define more than one data structure or use methods of linked
list or Node classes apart from those listed above.
Transcribed Image Text:Write a java method called "containsCycle" that receives the head of a singly linked list and returns true if the linked list contains a cycle and returns false otherwise. A linked list contains cycles if the next reference of any node refers to a preceding node. For example the linked list contains a cycle: Head Important Notes: 1) Linked list class to used for this questions has only a head attribute and has the following methods: - void add(int o, Node next) //adds the o in a node at the end of the list and assigns its next reference to next. - void remove(int o) // removes the node containing o, - addFirst (int o) // adds o into a node at the beginning of the linked list. 2) Linked list nodes are instance of the following class: class Node{ Node next; int data; Node(int o){ data = 0; }} 3) You can define only one new data structure e.g. array, arraylist, linkedlist, stack, ...etc. 4)You will not get any credits if you Define more than one data structure or use methods of linked list or Node classes apart from those listed above.
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