• Nov 19, 2022 •CodeCatch
0 likes • 0 views
import java.io.File; import java.io.IOException; import java.util.Map; import java.util.Scanner; import java.util.TreeMap; public class SimpleWordCounter { public static void main(String[] args) { try { File f = new File("ciaFactBook2008.txt"); Scanner sc; sc = new Scanner(f); // sc.useDelimiter("[^a-zA-Z']+"); Map<String, Integer> wordCount = new TreeMap<String, Integer>(); while(sc.hasNext()) { String word = sc.next(); if(!wordCount.containsKey(word)) wordCount.put(word, 1); else wordCount.put(word, wordCount.get(word) + 1); } // show results for(String word : wordCount.keySet()) System.out.println(word + " " + wordCount.get(word)); System.out.println(wordCount.size()); } catch(IOException e) { System.out.println("Unable to read from file."); } } }
0 likes • 1 view
//sample code to write 100 random ints to a file, 1 per line import java.io.PrintStream; import java.io.IOException; import java.io.File; import java.util.Random; public class WriteToFile { public static void main(String[] args) { try { PrintStream writer = new PrintStream(new File("randInts.txt")); Random r = new Random(); final int LIMIT = 100; for (int i = 0; i < LIMIT; i++) { writer.println(r.nextInt()); } writer.close(); } catch (IOException e) { System.out.println("An error occured while trying to write to the file"); } } }
• Jan 31, 2023 •AustinLeath
public class UserService { private UserRepository userRepository; public UserService(UserRepository userRepository) { this.userRepository = userRepository; } public User getUserById(long id) { try { return userRepository.getUserById(id); } catch (Exception e) { // Log the exception here System.out.println("An error occurred while fetching the user: " + e.getMessage()); return null; } } } public class UserRepository { public User getUserById(long id) throws Exception { // Database query to fetch the user if (id < 0) { throw new Exception("Invalid user id"); } // Return the user object return new User(id, "John Doe"); } } public class User { private long id; private String name; public User(long id, String name) { this.id = id; this.name = name; } public long getId() { return id; } public String getName() { return name; } }
• Feb 6, 2021 •Daedalus
public class Daedalus extends Athenian { private Story story; public ArrayList<Skill> skills = new ArrayList<Skill>(); public ArrayList<Athenian> children = new ArrayList<Athenian>(); public Daedalus(Story story, ArrayList<Skill> inherentSkills) { if(story != null) System.out.println("ERROR No one is created with a story."); skills.add(inherentSkills); } public Momento advanceStory(Scene s) { System.err.println("ERROR Don't know how to proceed..."); } } //██╗ ░█████╗░███╗░░░███╗ ██████╗░░█████╗░███████╗██████╗░░█████╗░██╗░░░░░██╗░░░██╗░██████╗ //██║ ██╔══██╗████╗░████║ ██╔══██╗██╔══██╗██╔════╝██╔══██╗██╔══██╗██║░░░░░██║░░░██║██╔════╝ //██║ ███████║██╔████╔██║ ██║░░██║███████║█████╗░░██║░░██║███████║██║░░░░░██║░░░██║╚█████╗░ //██║ ██╔══██║██║╚██╔╝██║ ██║░░██║██╔══██║██╔══╝░░██║░░██║██╔══██║██║░░░░░██║░░░██║░╚═══██╗ //██║ ██║░░██║██║░╚═╝░██║ ██████╔╝██║░░██║███████╗██████╔╝██║░░██║███████╗╚██████╔╝██████╔╝ //╚═╝ ╚═╝░░╚═╝╚═╝░░░░░╚═╝ ╚═════╝░╚═╝░░╚═╝╚══════╝╚═════╝░╚═╝░░╚═╝╚══════╝░╚═════╝░╚═════╝░
import java.util.Scanner; /* In Heaven, the seed is tall and the oak small / It's input vital * "The al-Madinatian," verse 236-37 * tinyurl.com/17snqkfv * email answer to [email protected] **/ public class Main { public static void main(String args[]) { int x = 0; int a, c, m = 10000; Scanner in = new Scanner(System.in); System.out.println("Please enter a seed, maximum 3000000:"); x = in.nextInt(); System.out.println("Please input a number, maximum 29:"); a = in.nextInt(); System.out.println("Please input a number, maximum 999999:"); c = in.nextInt(); char menu = 'y'; while(menu != 'n') { x = (a*x + c) % m; System.out.println("The next number is " + x + "\nWould you like another? (y/n)"); menu = in.next().charAt(0); } } } //██╗ ░█████╗░███╗░░░███╗ ██████╗░░█████╗░███████╗██████╗░░█████╗░██╗░░░░░██╗░░░██╗░██████╗ //██║ ██╔══██╗████╗░████║ ██╔══██╗██╔══██╗██╔════╝██╔══██╗██╔══██╗██║░░░░░██║░░░██║██╔════╝ //██║ ███████║██╔████╔██║ ██║░░██║███████║█████╗░░██║░░██║███████║██║░░░░░██║░░░██║╚█████╗░ //██║ ██╔══██║██║╚██╔╝██║ ██║░░██║██╔══██║██╔══╝░░██║░░██║██╔══██║██║░░░░░██║░░░██║░╚═══██╗ //██║ ██║░░██║██║░╚═╝░██║ ██████╔╝██║░░██║███████╗██████╔╝██║░░██║███████╗╚██████╔╝██████╔╝ //╚═╝ ╚═╝░░╚═╝╚═╝░░░░░╚═╝ ╚═════╝░╚═╝░░╚═╝╚══════╝╚═════╝░╚═╝░░╚═╝╚══════╝░╚═════╝░╚═════╝░
• May 21, 2025 •AustinLeath
0 likes • 3 views
class main { public static boolean findDuplicates(int[] nums) { for(int i = 0; i < nums.length; i++) { for(int j = 0; j < i; j++) { if(nums[i] == nums[j]) { return true; } } } return false; } public static void main(String[] args) { int[] myArray = {1,3}; System.out.println(findDuplicates(myArray)); } }