FUCK YEAH

gistfile1.java

import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
import java.util.Collections;
public class main
{
    public static List<String>names = new ArrayList<String>();
    public static List<String>genders = new ArrayList<String>();
    public static List<Integer>ages = new ArrayList<Integer>();
    public static List<Double>ratings = new ArrayList<Double>();
    public static List<Integer>semesters = new ArrayList<Integer>();
    public static List<String>datas=new ArrayList<String>();
    public static void main(String[]args) throws FileNotFoundException
    {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        Scanner iostream = new Scanner(new File("file.txt"));

            while(iostream.hasNext())
            {
                datas.add(iostream.nextLine());

            }
            for(int i=0;i<datas.size();i++)
            {
                String string=datas.get(i);
                String []parts=string.split(",");
                names.add(parts[0]);
                genders.add(parts[1]);
                ages.add(Integer.parseInt(parts[2]));
                ratings.add(Double.parseDouble(parts[3]));
                semesters.add(Integer.parseInt(parts[4]));
            }
        datas.clear();
        sortName(names,genders,ages,ratings,semesters);
        sortGender(names,genders,ages,ratings,semesters);
        sortAge(names,genders,ages,ratings,semesters);
        sortRatings(names,genders,ages,ratings,semesters);
        sortSemesters(names,genders,ages,ratings,semesters);

    }

    public static void sortName(List<String>names ,
                                List<String>genders,List<Integer>ages,
                                List<Double>ratings,List<Integer>semesters)
    {
        for(int i=0;i<names.size();i++)
        {
            for(int j=names.size()-1;j>i;j--)
            {
                if(names.get(j-1).compareTo(names.get(j))>0)
                {

                    Collections.swap(names,j-1,j);
                    Collections.swap(genders,j-1,j);
                    Collections.swap(ages,j-1,j);
                    Collections.swap(ratings,j-1,j);
                    Collections.swap(semesters,j-1,j);
                }
            }
        }
        System.out.println("Сортировка по именам:");
        for(int i=0;i<names.size();i++)
        {
            System.out.println(names.get(i)+" "+genders.get(i)+" "+ages.get(i)+" "+ratings.get(i)+" "+semesters.get(i));
        }
        System.out.println();
    }
    public static void sortGender(List<String>names ,
                                List<String>genders,List<Integer>ages,
                                List<Double>ratings,List<Integer>semesters)
    {
        for(int i=0;i<names.size();i++)
        {
            for(int j=names.size()-1;j>i;j--)
            {
                if(genders.get(j-1).compareTo(genders.get(j))>0)
                {

                    Collections.swap(names,j-1,j);
                    Collections.swap(genders,j-1,j);
                    Collections.swap(ages,j-1,j);
                    Collections.swap(ratings,j-1,j);
                    Collections.swap(semesters,j-1,j);
                }
            }
        }
        System.out.println("Сортировка по полам:");
        for(int i=0;i<names.size();i++)
        {
            System.out.println(names.get(i)+" "+genders.get(i)+" "+ages.get(i)+" "+ratings.get(i)+" "+semesters.get(i));
        }
        System.out.println();
    }

    public static void sortAge(List<String>names ,
                                  List<String>genders,List<Integer>ages,
                                  List<Double>ratings,List<Integer>semesters)
    {
        for(int i=0;i<names.size();i++)
        {
            for(int j=names.size()-1;j>i;j--)
            {
                if(ages.get(j-1)>ages.get(j))
                {

                    Collections.swap(names,j-1,j);
                    Collections.swap(genders,j-1,j);
                    Collections.swap(ages,j-1,j);
                    Collections.swap(ratings,j-1,j);
                    Collections.swap(semesters,j-1,j);
                }
            }
        }
        System.out.println("Сортировка по возрастам:");
        for(int i=0;i<names.size();i++)
        {
            System.out.println(names.get(i)+" "+genders.get(i)+" "+ages.get(i)+" "+ratings.get(i)+" "+semesters.get(i));
        }
        System.out.println();
    }

    public static void sortRatings(List<String>names ,
                               List<String>genders,List<Integer>ages,
                               List<Double>ratings,List<Integer>semesters)
    {
        for(int i=0;i<names.size();i++)
        {
            for(int j=names.size()-1;j>i;j--)
            {
                if(ratings.get(j-1)>ratings.get(j))
                {

                    Collections.swap(names,j-1,j);
                    Collections.swap(genders,j-1,j);
                    Collections.swap(ages,j-1,j);
                    Collections.swap(ratings,j-1,j);
                    Collections.swap(semesters,j-1,j);
                }
            }
        }
        System.out.println("Сортировка по оценкам:");
        for(int i=0;i<names.size();i++)
        {
            System.out.println(names.get(i)+" "+genders.get(i)+" "+ages.get(i)+" "+ratings.get(i)+" "+semesters.get(i));
        }
        System.out.println();
    }

    public static void sortSemesters(List<String>names ,
                                   List<String>genders,List<Integer>ages,
                                   List<Double>ratings,List<Integer>semesters)
    {
        for(int i=0;i<names.size();i++)
        {
            for(int j=names.size()-1;j>i;j--)
            {
                if(semesters.get(j-1)>semesters.get(j))
                {

                    Collections.swap(names,j-1,j);
                    Collections.swap(genders,j-1,j);
                    Collections.swap(ages,j-1,j);
                    Collections.swap(ratings,j-1,j);
                    Collections.swap(semesters,j-1,j);
                }
            }
        }
        System.out.println("Сортировка по семестрам:");
        for(int i=0;i<names.size();i++)
        {
            System.out.println(names.get(i)+" "+genders.get(i)+" "+ages.get(i)+" "+ratings.get(i)+" "+semesters.get(i));
        }
        System.out.println();
    }

}