Question

Write a program that processes a data file of names in which each name is on a separate line of at most 80 characters. Here are two sample names:

Hartman-Montgomery, Jane R.

Doe, J. D.

Strings On each line the surname is followed by a comma and a space. Next comes the first name or initial, then a space and the middle initial. Your program should scan the names into three arrays— surname , first , and middle_init . If the surname is longer than 15 characters, store only the first 15. Similarly, limit the first name to ten characters. Do not store periods in the first and middle_init arrays. Write the array’s contents to a file, aligning the contents of each column:

Hartman-Montgom Jane R

Jane R Doe J D J D

Answer 1

package Abc;

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileReader;

import java.io.FileWriter;

import java.util.*;

public class allmain {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

List<User> usrlst = new ArrayList<User>();

try{

BufferedReader br=new BufferedReader(new FileReader(new File("userinfo.txt")));

BufferedWriter bw=new BufferedWriter(new FileWriter(new File("userinfoRes")));

String line="";

while((line=br.readLine())!=null){

String arr[] = line.split(" ");

String mxs = "";

String mxf = "";

String mxm = "";

if(arr[0].length()>15){

mxs = arr[0].substring(0,14);

}else

mxs=arr[0];

if(arr[1].length()>10){

mxf = arr[1].substring(0,10);

}else

mxf =arr[1];

if(arr[2].length()>10){

mxm = arr[2].substring(0,10);

}else

mxm=arr[2];

String sname = mxs;

String fname = mxf;

String mname = mxm;

usrlst.add(new User(sname,fname,mname));

}

for(User u:usrlst){

System.out.println(u.toString());

bw.write(u.toString());

bw.newLine();

}

bw.close();

br.close();

}catch(Exception e){

System.out.println("Error in reading file:"+e);

}

}

}

output:

Hartman-Montgo Jansfsfsfs R.
Doe, J. D.

screenshots:

input file:

output file:

comments;

the above code is executable one with output screenshots.

input is read from file and output is just printed to console and writern to file

please change path of my file and replace ur path for successfull reading and writng files.