Which is the correct Java implementation for a binary search tree's Node class? O O O class Node { public int key; public Node left; public Node right; public Node(int nodeKey) { key nodeKey; next = null; prev = null; } class Node { public int key; public Node next; public Node(int nodeKey){ key nodeKey; next = null; } class Node { public int key; public Node left; public Node right; public Node(int nodeKey){ key = nodeKey; left = null; right = null; } class Node { public Node key; public Node left; public Node right; public Node(int nodeKey) { key = null; left = null; right = null; }

Which is the correct Java implementation for a binary search tree's Node class? O O O class Node { public int key; public Node left; public Node right; public Node(int nodeKey) { key nodeKey; next = null; prev = null; } class Node { public int key; public Node next; public Node(int nodeKey){ key nodeKey; next = null; } class Node { public int key; public Node left; public Node right; public Node(int nodeKey){ key = nodeKey; left = null; right = null; } class Node { public Node key; public Node left; public Node right; public Node(int nodeKey) { key = null; left = null; right = null; }

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

Chapter1: Introduction

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Question

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Which is the correct Java implementation for a binary search tree's Node class?
O
O
class Node {
public int key;
public Node left;
public Node right;
public Node(int nodeKey) {
key = nodeKey;
next = null;
prev = null;
}
class Node {
public int key;
public Node next;
public Node(int nodeKey) {
key = nodeKey;
next = null;
}
class Node {
public int key;
public Node left;
public Node right;
public Node(int nodeKey) {
key = nodeKey;
left= null;]
right = null;
}
class Node {
public Node key;
public Node left;
public Node right;
public Node(int nodeKey){
key = null;
}
left = null;
right = null;

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