2) Binary Search Tree - Tracing The following code recurses over a Binary Search Tree (BST) and prints to standard out occasionally. Please trace through the code for the given BST and write what would be printed out after the code terminates. Do not write the return value of the method. Just write each print statement's output on a new line. Ensure that the print statements' outputs are correct and in the correct order. The method is run on the root of the BST. public class Node { public T data; public Node left; public Node right; } public int mystery Rec (Node current) { if (current == null) { return 0; } } 5 int left mystery Rec (current.left); int right = mysteryRec (current.right); int tmp = left + current.data + right; if (tmp> 15) { Input BST: System.out.println(current.data); } return tmp; 10 20 30 50 70 Output: llun

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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Binary Search Tree - Tracing

The following code recurses over a Binary Search Tree (BST) and prints to standard output occasionally. Please trace through the code for the given BST and write what would be printed out after the code terminates. Do not write the return value of the method. Just write each print statement’s output on a new line. Ensure that the print statements’ outputs are correct and in the correct order. The method is run on the root of the BST.

```java
public class Node<T> {
    public T data;
    public Node<T> left;
    public Node<T> right;
}

public int mysteryRec(Node current) {
    if (current == null) {
        return 0;
    }

    int left = mysteryRec(current.left);
    int right = mysteryRec(current.right);
    int tmp = left + current.data + right;

    if (tmp > 15) {
        System.out.println(current.data);
    }
    return tmp;
}
```

Diagram Explanation:

Input BST:

- The Root Node is 20. 
- The left child of 20 is 10, with a further left child of 5.
- The right child of 20 is 50, with left and right children 30 and 70, respectively.

Output:

The output section is currently empty. Use the code to determine which node values will be printed by the `System.out.println()` statement.
Transcribed Image Text:Binary Search Tree - Tracing The following code recurses over a Binary Search Tree (BST) and prints to standard output occasionally. Please trace through the code for the given BST and write what would be printed out after the code terminates. Do not write the return value of the method. Just write each print statement’s output on a new line. Ensure that the print statements’ outputs are correct and in the correct order. The method is run on the root of the BST. ```java public class Node<T> { public T data; public Node<T> left; public Node<T> right; } public int mysteryRec(Node current) { if (current == null) { return 0; } int left = mysteryRec(current.left); int right = mysteryRec(current.right); int tmp = left + current.data + right; if (tmp > 15) { System.out.println(current.data); } return tmp; } ``` Diagram Explanation: Input BST: - The Root Node is 20. - The left child of 20 is 10, with a further left child of 5. - The right child of 20 is 50, with left and right children 30 and 70, respectively. Output: The output section is currently empty. Use the code to determine which node values will be printed by the `System.out.println()` statement.
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