Question

I need help writing the following java Java Method below. I just need a method to take a user inputted First or Last Name and return the associated phone number, thank you!

import java.util.*;
import java.io.*;

class PhoneList {

public static void main(String[] args) throws Exception {

boolean loop = true;
File file = new File("PhoneList_Data.txt");
FileWriter fw = new FileWriter(file, true);
fw.write("PhoneList Data");
fw.write("\n" + "Last, First: 6041337567, 2181731566");
  
// do { } (loop)
  
fw.close();

}

// Method left needing to be written

void display(String name) {};
// Display: Given a First or Last Name, display every PhoneNumber associated with that Name

Answer 1

void display(String name)
{
try {
File fileObj = new File("filename.txt");
Scanner fileReader = new Scanner(fileObj);
while (fileReader.hasNextLine()) {
String line = myReader.nextLine();
   String[] wordList= line.split(" ");
if (wordList.contains(name))
   {
System.out.println(line);   
   }
}
fileReader.close();
} catch (FileNotFoundException e) {
System.out.println("An error occurred.");
e.printStackTrace();
}
}