Jawa – Страница 2 – Говнокод

Jawa / Говнокод #28592

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import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Scanner;
import java.util.zip.*;
import java.io.*;
 
public class CitiesPrinter {
 
    public static void main(String[] args) throws IOException {
       
        final String fileName = "/storage/emulated/0/Documents/Jvdroid/single-files/_данные_Сбер_Java_20210407090226.zip";
        try(ZipInputStream unzipping = new ZipInputStream(new FileInputStream(fileName)));
       {
         ZipEntry entry = null;
        String name = null;
        long size = 0;
        
        while((entry=unzipping.getNextEntry())!= null) {
        name = entry.getName();
        size = entry.getSize();
        System.out.println("FileName: " + name + "FileSize: " + size);
        FileOutputStream unzippedFile = new FileOutputStream("/storage/emulated/0/Documents/Jvdroid/single-files/new" + name);
                for (int c = unzipping.read(); c != -1; c = unzipping.read()) {
                    unzippedFile.write(c);
                }
                unzippedFile.flush();
                unzipping.closeEntry();
                unzippedFile.close();
        }
       }
       catch(Exception e){
        System.out.println(e.getMessage());
       }
        
        Path path = Paths.get(fileName);
        Scanner scanner = new Scanner(path);
         
        
        scanner.useDelimiter(System.getProperty("line.separator"));
        while(scanner.hasNext()){
            System.out.println("Строка: " + scanner.next());
        }
        scanner.close();
        
        scanner = new Scanner(Paths.get("/storage/emulated/0/Documents/Jvdroid/single-files/_данные_Сбер_Java_20210407090226.zip/city_ru.csv"));
        scanner.useDelimiter(System.getProperty("line.separator"));
        while(scanner.hasNext()){
            
            Employee emp = parseCSVLine(scanner.next());
            System.out.println(emp.toString());
        }
        scanner.close();
         
        
        scanner = new Scanner(System.in);
        System.out.println("Вводим первое слово: " + scanner.next());
    }

     
    private static Employee parseCSVLine(String line) {
         Scanner scanner = new Scanner(line);
         scanner.useDelimiter("\\s*,\\s*");
         String name = scanner.next();
         int age = scanner.nextInt();
         String gender = scanner.next();
         CitiesPrinter jfs = new CitiesPrinter();
         return jfs.new Employee(name, age, gender);
    }
}
 
    class Employee{
        private String name;
        private int age;
        private String gender;
         
        public Employee(String n, int a, String gen){
            this.name = n;
            this.age = a;
            this.gender = gen;
        }
         
        @Override
        public String toString(){
            return "Name=" + this.name + "::Age=" + this.age + "::Gender=" + this.gender;
        }
    }

Что не так?

sbnet, 08.02.2023 (Updated 08.02.2023)

Комментарии (22, +22)

Jawa / Говнокод #28543

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static private Double getHashString(String string, Integer foundation){
    Double hash = 0.0 ;
    short [] charsToInteger = getCharArray(string);
    double step = Double.MAX_VALUE / 256 - foundation;
    for (int i = 0; i < charsToInteger.length ; i++ ){
        hash += charsToInteger[i] * step;
        step = step / 2 - 1;
    }
    return hash;
}

static private short [] getCharArray(String string){
    char [] chars = string.toLowerCase().toCharArray();
    short [] bytes = new short [chars.length];
    for (int i = 0; i < chars.length; i++){
        bytes [i] = (short) (chars[i] & 0x00FF);
        //System.out.println("bytes [" + i + "] = " + bytes[i]);
    }
    return bytes;
}

Вычисление сигнатуры строки для её применения в сортировке строк в алфавитном порядке по всем символам
https://habr.com/ru/post/709406/ / https://itnan.ru/post.php?c=1&p=709406
https://github.com/Helgi-cell/HashStringAlphabetical

ISO, 07.01.2023 (Updated 07.01.2023)

Комментарии (43, +43)

Jawa / Говнокод #28495

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Хрюк-хрюк-хрюк-хрюк

Хрюк-хрюк-хрюк-хрюк

CBuHOKYP, 12.12.2022 (Updated 12.12.2022)

Комментарии (0)

Jawa / Говнокод #28400

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public static LanguageLevel fromPythonVersion(@Nullable String pythonVersion) {
    if (pythonVersion == null) return null;

    if (pythonVersion.startsWith("2")) {
      if (pythonVersion.startsWith("2.4")) {
        return PYTHON24;
      }
      if (pythonVersion.startsWith("2.5")) {
        return PYTHON25;
      }
      if (pythonVersion.startsWith("2.6")) {
        return PYTHON26;
      }
      if (pythonVersion.startsWith("2.7")) {
        return PYTHON27;
      }
      return DEFAULT2;
    }
    if (pythonVersion.startsWith("3")) {
      if (pythonVersion.startsWith("3.0")) {
        return PYTHON30;
      }
      if (pythonVersion.startsWith("3.1.") || pythonVersion.equals("3.1")) {
        return PYTHON31;
      }
      if (pythonVersion.startsWith("3.2")) {
        return PYTHON32;
      }
      if (pythonVersion.startsWith("3.3")) {
        return PYTHON33;
      }
      if (pythonVersion.startsWith("3.4")) {
        return PYTHON34;
      }
      if (pythonVersion.startsWith("3.5")) {
        return PYTHON35;
      }
      if (pythonVersion.startsWith("3.6")) {
        return PYTHON36;
      }
      if (pythonVersion.startsWith("3.7")) {
        return PYTHON37;
      }
      if (pythonVersion.startsWith("3.8")) {
        return PYTHON38;
      }
      if (pythonVersion.startsWith("3.9")) {
        return PYTHON39;
      }
      if (pythonVersion.startsWith("3.10")) {
        return PYTHON310;
      }
      if (pythonVersion.startsWith("3.11")) {
        return PYTHON311;
      }
      return DEFAULT3;
    }
    return getDefault();
  }

https://github.com/JetBrains/intellij-community/blob/07cef3c4397f026a5f7aa26e783b0bf7dfee5ab2/python/python-psi-api/src/com/jetbrains/python/psi/LanguageLevel.java#L125

DypHuu_niBEHb, 05.10.2022 (Updated 05.10.2022)

Комментарии (9, +9)

Jawa / Говнокод #28399

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public static String padRight(String s, int n) {
     return String.format("%-" + n + "s", s);  
}

public static String padLeft(String s, int n) {
    return String.format("%" + n + "s", s);  
}

How can I pad a String in Java?
https://stackoverflow.com/questions/388461/how-can-i-pad-a-string-in-java/391978

Все ответы восхитительны в своей коричневости.

ISO, 05.10.2022 (Updated 05.10.2022)

Комментарии (20, +20)

Jawa / Говнокод #28305

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import java.security.*

var keys = KeyPairGenerator.getInstance("EC").generateKeyPair();
var blankSignature = new byte[64]; // zero bytes
var sig = Signature.getInstance("SHA256WithECDSAInP1363Format");
sig.initVerify(keys.getPublic());
sig.update("Hello, World".getBytes()); // anything
sig.verify(blankSignature); // true

Сказка о том, как джавушки переписали код с небезопасного языка на безопасный и помножили проверку подписей на ноль (в прямом смысле).

https://neilmadden.blog/2022/04/19/psychic-signatures-in-java/

bormand, 31.07.2022 (Updated 31.07.2022)

Комментарии (36, +36)

Jawa / Говнокод #28297

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import java.util.InputMismatchException;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        try {
            System.out.println("How many characters will be in the password? (1-256):");
            short length = scanner.nextShort();
            if (length > 256) {
                System.out.println("Password can't be longer than 256 characters!");
            } else if (length < 1) {
                System.out.println("Password can't be less than 1 character long!");
            } else {
                System.out.println("How many passwords will be generated? (1-32)");
                byte amount = scanner.nextByte();
                if (amount > 32) {
                    System.out.println("You can't generate more than 32 passwords!");
                } else if (amount < 1) {
                    System.out.println("You can't generate less than 1 password!");
                } else {
                    for (byte i = 0; i < amount; i++) {
                        System.out.println("\n" + PasswordGenerator.generate(length));
                    }
                }
            }
        } catch (InputMismatchException e) {
            System.out.println("Input error!");
        }
    }
}

cringe

zxc254363, 27.07.2022 (Updated 27.07.2022)

Комментарии (0)

Jawa / Говнокод #28278

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private void calculateOverallTime() {
    if (overallTimeTimer.isTimeOut()) {
        if (overallTime[0] <= 58) {
            overallTime[0] += 1;
        }
        else {
            overallTime[0] = 0;
            if (overallTime[1] <= 58) {
                overallTime[1] += 1;
            }
            else {
                overallTime[1] = 0;
                overallTime[2] += 1;
            }
        }
    }
}

reboober, 14.07.2022 (Updated 14.07.2022)

Комментарии (9, +9)

Jawa / Говнокод #28165

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package com.company;
import java.util.Scanner;

public class Main {
    public static void main (String [] args) {
         Scanner num = new Scanner(System.in);
         int first;
         System.out.print("Enter first num: ");
         first = num.nextInt();

         if (first==10)
              System.out.print("Num is 10");
}
}

zdavletshin, 12.05.2022 (Updated 12.05.2022)

Комментарии (2, +2)

Jawa / Говнокод #28142

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public static final String EMPTY = "";

Tan seme? Tan seme?!!

Stallman, 28.04.2022 (Updated 28.04.2022)

Комментарии (18, +18)