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import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Scanner;
import java.util.ArrayList;
public class Label2{
public static void main(String[] arg) throws IOException{
Scanner user_in = new Scanner(System.in);
System.out.println("Enter input file:");
String input_filename = user_in.nextLine();
System.out.println("Enter output file:");
String output_filename = user_in.nextLine();
File input_file = new File(input_fname);
Scanner file_in = new Scanner(input_file);
List<String> people_data = new ArrayList<String>();
while(file_in.hasNextLine()){
people_data.add(file_in.nextLine());
}
File output_file = new File(output_fname);
FileWriter writer = new FileWriter(output_file);
for (int i = 0; i < people_data.size(); i++) {
String[] datas = people_data.get(i).split(",");
if(datas[j].length() > 0){
writer.write(datas[j] + "\n");
}
}
writer.write(datas[3] + ", " + datas[4] + " " + datas[5] + "\n\n");
writer.close();
}}
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