Fix the Java code below, make sure it can make the same outputs as the sample: import java.util.ArrayList; import java.util.Scanner; class Main { //Returns index of name if found otherwise -1 public static int findName(ArrayList arr, String name) { for(int i = 0; i < arr.size(); i++) if(arr.get(i).equals(name)) return i; return -1;//Name not found } //Deletes a name from ArrayList public static void deleteName(ArrayList arr, String name) { int index = findName(arr, name);//Get index of name to be deleted for(int i = index; i < arr.size() - 1; i++){ arr.set(i, arr.get(i + 1)); } arr.remove(arr.size() - 1);//Remove last element } public static void main(String[] args) { Scanner scan = new Scanner(System.in); System.out.print("Enter number of students(upto 10): "); int n = scan.nextInt(); ArrayList arr = new ArrayList<>(n); for (int i = 0; i < n; i++) { System.out.print("Enter name of student " + (i+1) + ": "); arr.add(scan.next()); } System.out.print("Enter name of student to delete: "); String name = scan.next(); while(findName(arr, name) == -1)//Keep asking user for a valid name to delete { System.out.print("Name not found. Try a new name: "); name = scan.next(); } deleteName(arr, name);//Delete name from array System.out.println("Revised list of students: " + arr);//Print revised list } } Sample outputs in the picture:

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

Section: Chapter Questions

Problem 1PE

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Question

Fix the Java code below, make sure it can make the same outputs as the sample:

import java.util.ArrayList;
import java.util.Scanner;

class Main
{
//Returns index of name if found otherwise -1
public static int findName(ArrayList<String> arr, String name)
{
for(int i = 0; i < arr.size(); i++)
if(arr.get(i).equals(name))
return i;
return -1;//Name not found
}

//Deletes a name from ArrayList
public static void deleteName(ArrayList<String> arr, String name)
{
int index = findName(arr, name);//Get index of name to be deleted
for(int i = index; i < arr.size() - 1; i++){
arr.set(i, arr.get(i + 1));
}
arr.remove(arr.size() - 1);//Remove last element
}

public static void main(String[] args) {
Scanner scan = new Scanner(System.in);

System.out.print("Enter number of students(upto 10): ");
int n = scan.nextInt();

ArrayList<String> arr = new ArrayList<>(n);

for (int i = 0; i < n; i++) {
System.out.print("Enter name of student " + (i+1) + ": ");
arr.add(scan.next());
}

System.out.print("Enter name of student to delete: ");
String name = scan.next();

while(findName(arr, name) == -1)//Keep asking user for a valid name to delete
{
System.out.print("Name not found. Try a new name: ");
name = scan.next();
}

deleteName(arr, name);//Delete name from array

System.out.println("Revised list of students: " + arr);//Print revised list
}
}

Sample outputs in the picture:

**Example Output of Name Search and Removal Program**

---

### Example 1

1. **Initial Input**:
- Number of names to enter: **5**
- Entered names: Craig, Craig, Constance, Jonathan, Craig

2. **Name Search**:
- Name being searched: **Craig**

3. **Process**:
- Craig is found and removed from the list, leaving: Constance, Jonathan

4. **Output**:
- Remaining names: **Constance, Jonathan**

---

### Example 2

1. **Initial Input**:
- Number of names to enter: **3**
- Entered names: Craig, Serafina, Tobias

2. **Name Search**:
- Name being searched: **David**

3. **Process**:
- David is not found in the list.

4. **Output**:
- Remaining names: **Craig, Serafina, Tobias**

---

This example demonstrates how input names can be managed by searching and removing specific entries, illustrating both successful and unsuccessful search scenarios.

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