top java code ever

package metody;

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

public class metody {

    public void PoleZklavesnice() {
        int sirka = 0;
        int vyska = 0;
        int x = 1;


        System.out.println("Zadejte pocet sloupcu pole:");
        while (x > 0) {
            try {
                Scanner s = new Scanner(System.in);
                sirka = s.nextInt();
                if (sirka < 1) {
                    throw new java.lang.NegativeArraySizeException();
                }
                x = 0;

            } catch (NegativeArraySizeException e) {
                System.out.println("Neplatna velikost. Zadejte cislo vetsi jak 0");
            } catch (Exception e) {
                System.out.println("Pouze cisla");
                System.out.println("Zadejte sirku pole:");
            }

        }

        x = 1;
        System.out.println("Zadejte pocet radku pole:");
        while (x > 0) {
            try {
                Scanner s = new Scanner(System.in);
                vyska = s.nextInt();
                if (vyska < 1) {
                    throw new java.lang.NegativeArraySizeException();
                }
                x = 0;

            } catch (NegativeArraySizeException e) {
                System.out.println("Neplatna velikost. Zadejte cislo vetsi jak 0");
            } catch (Exception e) {
                System.out.println("Pouze cisla");
                System.out.println("Zadejte sirku pole:");
            }

        }

        int pole[][] = new int[sirka + 1][vyska + 1];

        x = -1;
        System.out.println("zadejte prvky pole:");
        System.out.println("");
        /******************************************************************************
         *                                                                            *
         *                             Nacitani cisel do pole:                        *
         *                                                                            *
         ******************************************************************************/
        for (int i = 1; i <= sirka; i++) {
            for (int j = 1; j <= vyska; j++) {
                do {
                    try {
                        System.out.println("Zadejte hodnotu pro " + i + " radek a " + j + " sloupec:");
                        Scanner s = new Scanner(System.in);
                        pole[i][j] = s.nextInt();

                        if (pole[i][j] < 0) {
                            throw new java.lang.NegativeArraySizeException();
                        }

                        x++;

                    } catch (NegativeArraySizeException e) {
                        System.out.println("Zadejte pouze kladna cisla vcetne nuly");
                        if (j == vyska + 1) {
                            if (j < 1 && i < j) {
                                j--;
                                i--;
                            } else if (j < 1 && i == 1) {
                                j--;
                                i = 0;
                            } else if (j == 1 && i < 1) {
                                j--;
                                i--;
                            } else if (j == 1 && i == 1) {
                                j = 0;
                                i = 1;
                            }
                        } else {
                            j--;
                        }
                    } catch (Exception e) {
                        System.out.println("Pouze cisla");
                        if (j == vyska + 1) {
                            if (j < 1 && i < j) {
                                j--;
                                i--;
                            } else if (j < 1 && i == 1) {
                                j--;
                                i = 0;
                            } else if (j == 1 && i < 1) {
                                j--;
                                i--;
                            } else if (j == 1 && i == 1) {
                                j = 0;
                                i = 1;
                            }
                        } else {
                            j--;
                        }
                    }

                } while (x == (sirka * vyska));
            }
        }

        /******************************************************************************
         *                            Pole nacteno                                    *
         *                            Zacina uprava                                   *
         ******************************************************************************/
        int mezipole1[] = new int[(sirka * vyska) + 1];
        int mezipole2[] = new int[(sirka * vyska) + 1];
        int z = 0;


        for (int i = 1; i <= sirka; i++) {
            for (int j = 1; j <= vyska; j++) {
                mezipole1[z] = pole[i][j];
                z++;
            }
        }
        Arrays.sort(mezipole1);

        z = 1;
        for (int i = (sirka * vyska); i > 0; i--) {
            mezipole2[i] = mezipole1[z];
            z++;
        }


        /******************************************************************************
         *                            Pole upraveno a serazeno                        *
         *                            mezipole1: nejmensi -> nejvetsi                 *
         *                            mezipole2: nejvetsi -> nejmensi                 *
         ******************************************************************************/
        int vysledek_1d[] = new int[(sirka * vyska) + 1];
        int vysledek_2d[][] = new int[sirka + 1][vyska + 1];


        z = 1;
        for (int i = 1; i < (sirka * vyska) + 1; i++) {
            vysledek_1d[i] = mezipole1[z];
            i++;
            z++;
        }

        z = 1;
        for (int i = 2; i < (sirka * vyska) + 1; i++) {
            vysledek_1d[i] = mezipole2[z];
            i++;
            z++;
        }

        z = 1;
        for (int i = 1; i <= sirka; i++) {
            for (int j = 1; j <= vyska; j++) {
                vysledek_2d[i][j] = vysledek_1d[z];
                z++;
            }
        }

        /******************************************************************************
         *                                                                            *
         *                     Zpusob Vypisu:                                         *
         *                                                                            *
         ******************************************************************************/
        System.out.println("*************************************************");
        System.out.println("*    Zvol zpusob vypisu pole:                   *");
        System.out.println("*                                               *");
        System.out.println("*    1) do konzole                              *");
        System.out.println("*    2) do souboru                              *");
        System.out.println("*************************************************");

        String cesta = "";
        int swtch1_a = 1;
        int swtch1 = 0;

        while (swtch1_a > 0) {
            try {
                Scanner s = new Scanner(System.in);
                swtch1 = s.nextInt();

            } catch (Exception e) {
                System.out.println("Pouze cisla");
            }




            switch (swtch1) {
                case 1:
                    swtch1_a = 0;
                    System.out.println("");

                    for (int i = 1; i <= sirka; i++) {
                        for (int j = 1; j <= vyska; j++) {
                            System.out.print(" " + vysledek_2d[i][j]);
                        }
                        System.out.println("");
                    }
                    break;

                case 2:
                    swtch1_a = 0;

                    x = 1;
                    System.out.println("Zadejte cestu k ulozeni vystupu:");
                    while (x > 0) {
                        try {
                            Scanner s = new Scanner(System.in);

                            if (s.hasNextInt()) {
                                throw new java.util.InputMismatchException();
                            } else {
                                cesta = s.next();
                            }
                            x = 0;

                        } catch (InputMismatchException e) {
                            System.out.println("Spatne zadana cesta");
                            System.out.println("Zadejte cestu k ulozeni vystupu:");
                        } catch (Exception e) {
                            System.out.println(e);
                        }

                    }
                    if (!new File(cesta).exists()) {
                        System.out.println("slozka " + cesta + " neexistuje");
                        System.exit(0);
                    }
                    try {
                        BufferedWriter out = new BufferedWriter(new FileWriter(cesta + "/vystup.txt"));

                        for (int i = 1; i <= sirka; i++) {
                            for (int j = 1; j <= vyska; j++) {
                                out.write(" " + vysledek_2d[i][j]);
                            }
                            out.newLine();
                        }


                        out.write("");
                        out.close();
                    } catch (IOException e) {
                    }

                    System.out.println("Soubor vystup.txt byl vytvoren v " + cesta);

                    break;

                default:
                    System.out.println("Zadali jste jinou hodnotu nez 1 nebo 2");
            }

        }
    }

    public void PoleZEsouboru() {

        int sirka = 0;
        int vyska = 0;
        int x = 1;


        System.out.println("Zadejte pocet sloupcu pole:");
        while (x > 0) {
            try {
                Scanner s = new Scanner(System.in);
                sirka = s.nextInt();
                if (sirka < 1) {
                    throw new java.lang.NegativeArraySizeException();
                }
                x = 0;

            } catch (NegativeArraySizeException e) {
                System.out.println("Neplatna velikost. Zadejte cislo vetsi jak 0");
            } catch (Exception e) {
                System.out.println("Pouze cisla");
                System.out.println("Zadejte pocet sloupcu pole:");
            }

        }

        x = 1;
        System.out.println("Zadejte pocet radku pole:");
        while (x > 0) {
            try {
                Scanner s = new Scanner(System.in);
                vyska = s.nextInt();
                if (vyska < 1) {
                    throw new java.lang.NegativeArraySizeException();
                }
                x = 0;

            } catch (NegativeArraySizeException e) {
                System.out.println("Neplatna velikost. Zadejte cislo vetsi jak 0");
            } catch (Exception e) {
                System.out.println("Pouze cisla");
                System.out.println("Zadejte pocet radku pole:");
            }

        }

        int pole[][] = new int[sirka + 1][vyska + 1];



        /******************************************************************************
         *                                                                            *
         *                          Nacitani souboru:                                 *
         *                                                                            *
         ******************************************************************************/
        String cesta = "";
        System.out.println("");
        System.out.println("Zadejte cestu k souboru vstup.txt:");

        x = 1;
        while (x > 0) {
            try {
                Scanner s = new Scanner(System.in);

                if (s.hasNextInt()) {
                    throw new java.util.InputMismatchException();
                } else {
                    cesta = s.next();
                    x = 0;
                }

            } catch (InputMismatchException e) {
                System.out.println("Spatne zadana cesta");
                System.out.println("Zadejte cestu k souboru vstup.txt:");
            } catch (Exception e) {
                System.out.println(e);
            }

        }
        if (!new File(cesta).exists()) {
            System.out.println("slozka " + cesta + " neexistuje");
            System.exit(0);
        }

        int[] show = new int[(sirka * vyska) + 1];
        try {

            Scanner sc = new Scanner(new File(cesta + "/vstup.txt"));

            int i = 1;
            while (sc.hasNext()) {
                if (sc.hasNextInt()) {

                    show[i] = sc.nextInt();
                    if (show[i] < 0) {
                        System.out.println("V souboru musi byt cisla vesti nebo rovna 0");
                        System.exit(0);
                    }
                    i++;
                }

            }
            sc.close();

        } catch (FileNotFoundException e) {
            System.out.println("Soubor " + cesta + "/vstup.txt nebyl nalezen.");
            System.exit(0);

        } catch (ArrayIndexOutOfBoundsException e) {
            System.out.println("");
        } catch (InputMismatchException e) {
            System.out.println(e);
        } catch (Exception e) {
            System.out.println(e);
        }


        x = 1;
        for (int i = 1; i <= sirka; i++) {
            for (int j = 1; j <= vyska; j++) {
                pole[i][j] = show[x];
                x++;
            }
        }

        /******************************************************************************
         *                            Pole nacteno                                    *
         *                            Zacina uprava                                   *
         ******************************************************************************/
        int mezipole1[] = new int[(sirka * vyska) + 1];
        int mezipole2[] = new int[(sirka * vyska) + 1];
        int z = 0;


        for (int i = 1; i <= sirka; i++) {
            for (int j = 1; j <= vyska; j++) {
                mezipole1[z] = pole[i][j];
                z++;
            }
        }
        Arrays.sort(mezipole1);

        z = 1;
        for (int i = (sirka * vyska); i > 0; i--) {
            mezipole2[i] = mezipole1[z];
            z++;
        }


        /******************************************************************************
         *                            Pole upraveno a serazeno                        *
         *                            mezipole1: nejmensi -> nejvetsi                 *
         *                            mezipole2: nejvetsi -> nejmensi                 *
         ******************************************************************************/
        int vysledek_1d[] = new int[(sirka * vyska) + 1];
        int vysledek_2d[][] = new int[sirka + 1][vyska + 1];


        z = 1;
        for (int i = 1; i < (sirka * vyska) + 1; i++) {
            vysledek_1d[i] = mezipole1[z];
            i++;
            z++;
        }

        z = 1;
        for (int i = 2; i < (sirka * vyska) + 1; i++) {
            vysledek_1d[i] = mezipole2[z];
            i++;
            z++;
        }

        z = 1;
        for (int i = 1; i <= sirka; i++) {
            for (int j = 1; j <= vyska; j++) {
                vysledek_2d[i][j] = vysledek_1d[z];
                z++;
            }
        }

        /******************************************************************************
         *                                                                            *
         *                     Zpusob Vypisu:                                         *
         *                                                                            *
         ******************************************************************************/
        System.out.println("*************************************************");
        System.out.println("*    Zvol zpusob vypisu pole:                   *");
        System.out.println("*                                               *");
        System.out.println("*    1) do konzole                              *");
        System.out.println("*    2) do souboru                              *");
        System.out.println("*************************************************");

        int swtch1_a = 1;
        int swtch1 = 0;

        while (swtch1_a > 0) {
            try {
                Scanner s = new Scanner(System.in);
                swtch1 = s.nextInt();

            } catch (Exception e) {
                System.out.println("Pouze cisla");
            }




            switch (swtch1) {
                case 1:
                    swtch1_a = 0;
                    System.out.println("");

                    for (int i = 1; i <= sirka; i++) {
                        for (int j = 1; j <= vyska; j++) {
                            System.out.print(" " + vysledek_2d[i][j]);
                        }
                        System.out.println("");
                    }
                    break;

                case 2:
                    swtch1_a = 0;

                    x = 1;
                    System.out.println("Zadejte cestu k ulozeni vystupu:");
                    while (x > 0) {
                        try {
                            Scanner s = new Scanner(System.in);

                            if (s.hasNextInt()) {
                                throw new java.util.InputMismatchException();
                            } else {
                                cesta = s.next();
                            }
                            x = 0;

                        } catch (InputMismatchException e) {
                            System.out.println("Spatne zadana cesta");
                            System.out.println("Zadejte cestu k ulozeni vystupu:");
                        } catch (Exception e) {
                            System.out.println(e);
                        }

                    }
                    if (!new File(cesta).exists()) {
                        System.out.println("slozka " + cesta + " neexistuje");
                        System.exit(0);
                    }
                    try {
                        BufferedWriter out = new BufferedWriter(new FileWriter(cesta + "/vystup.txt"));

                        for (int i = 1; i <= sirka; i++) {
                            for (int j = 1; j <= vyska; j++) {
                                out.write(" " + vysledek_2d[i][j]);
                            }
                            out.newLine();
                        }


                        out.write("");
                        out.close();
                    } catch (IOException e) {
                    }

                    System.out.println("Soubor vystup.txt byl vytvoren v " + cesta);

                    break;

                default:
                    System.out.println("Zadali jste jinou hodnotu nez 1 nebo 2");
            }

        }

    }
}