How would i enter multiple files into this code? please add a comment where i should. import java.io.File; import java.io.FileNotFoundException; import java.util.Scanner; public class BabyName { private int y; private char g; private String n; int getbabyYear() { return y; } String getbabyName() { return n; } void getuserInput() { Scanner ns= new Scanner(System.in); System.out.println("Enter the year: "); y=ns.nextInt(); System.out.println("Enter the gender: "); g=ns.next().charAt(0); System.out.println("Enter the name: "); n=ns.next(); ns.close(); } int findRank() { File dir=new File("Path"); //Add Directory path if(dir.isDirectory()) { File[] files = dir.listFiles(); for(File file : files) { if(file.isFile()) { try { Scanner nf = new Scanner(file); //declare the variable 'r' for rank int r; //declare the variable 'bn' for boyname and 'gn' for girl name String bN,gN; while(nf.hasNext()) { r=nf.nextInt(); bN=nf.next(); nf.next(); gN=nf.next(); nf.next(); if(g=='M'){ if(bN.equals(n)){ return r; } } if(g=='F'){ if(gN.equals(n)){ return r; } } } nf.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } } } } return -1; } public static void main(String[] args) { BabyName sn=new BabyName(); sn.getuserInput(); int r=sn.findRank(); if(r!=-1){ System.out.println(sn.getbabyName()+" is ranked #"+r+" in year "+sn.getbabyYear()); } else{ System.out.println("The name "+sn.getbabyName()+" is not ranked in year "+sn.getbabyYear()); } } }

How would i enter multiple files into this code? please add a comment where i should. import java.io.File; import java.io.FileNotFoundException; import java.util.Scanner; public class BabyName { private int y; private char g; private String n; int getbabyYear() { return y; } String getbabyName() { return n; } void getuserInput() { Scanner ns= new Scanner(System.in); System.out.println("Enter the year: "); y=ns.nextInt(); System.out.println("Enter the gender: "); g=ns.next().charAt(0); System.out.println("Enter the name: "); n=ns.next(); ns.close(); } int findRank() { File dir=new File("Path"); //Add Directory path if(dir.isDirectory()) { File[] files = dir.listFiles(); for(File file : files) { if(file.isFile()) { try { Scanner nf = new Scanner(file); //declare the variable 'r' for rank int r; //declare the variable 'bn' for boyname and 'gn' for girl name String bN,gN; while(nf.hasNext()) { r=nf.nextInt(); bN=nf.next(); nf.next(); gN=nf.next(); nf.next(); if(g=='M'){ if(bN.equals(n)){ return r; } } if(g=='F'){ if(gN.equals(n)){ return r; } } } nf.close(); } catch (FileNotFoundException e) { e.printStackTrace(); } } } } return -1; } public static void main(String[] args) { BabyName sn=new BabyName(); sn.getuserInput(); int r=sn.findRank(); if(r!=-1){ System.out.println(sn.getbabyName()+" is ranked #"+r+" in year "+sn.getbabyYear()); } else{ System.out.println("The name "+sn.getbabyName()+" is not ranked in year "+sn.getbabyYear()); } } }

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

How would i enter multiple files into this code?
please add a comment where i should.

import java.io.File;

import java.io.FileNotFoundException;

import java.util.Scanner;

public class BabyName

{

private int y;

private char g;

private String n;

int getbabyYear()

{

return y;

}

String getbabyName()

{

return n;

}

void getuserInput()

{

Scanner ns= new Scanner(System.in);

System.out.println("Enter the year: ");

y=ns.nextInt();

System.out.println("Enter the gender: ");

g=ns.next().charAt(0);

System.out.println("Enter the name: ");

n=ns.next();

ns.close();

}

int findRank()

{

File dir=new File("Path"); //Add Directory path

if(dir.isDirectory())

{

File[] files = dir.listFiles();

for(File file : files)

{

if(file.isFile())

{

try

{

Scanner nf = new Scanner(file);

//declare the variable 'r' for rank

int r;

//declare the variable 'bn' for boyname and 'gn' for girl name

String bN,gN;

while(nf.hasNext())

{

r=nf.nextInt();

bN=nf.next();

nf.next();

gN=nf.next();

nf.next();

if(g=='M'){

if(bN.equals(n)){

return r;

}

if(g=='F'){

if(gN.equals(n)){

return r;

}

nf.close();

}

catch (FileNotFoundException e)

{

e.printStackTrace();

}

return -1;

}

public static void main(String[] args)

{

BabyName sn=new BabyName();

sn.getuserInput();

int r=sn.findRank();

if(r!=-1){

System.out.println(sn.getbabyName()+" is ranked #"+r+" in year "+sn.getbabyYear());

}

else{

System.out.println("The name "+sn.getbabyName()+" is not ranked in year "+sn.getbabyYear());

}

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