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/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package Counter; import java.util.HashMap; import java.util.Map; import java.util.Scanner; import java.util.StringTokenizer; /** * * @author ADMIN */ public class Counter { // luu tru so lan xuat hien cua moi ky tu trong doan van ban private Map<Character, Integer> charCounter = new HashMap<Character, Integer>(); // luu tru so lan xuat hien cua moi tu trong van ban private Map<String, Integer> wordCounter = new HashMap<String, Integer>(); /** * @param args the command line arguments */ public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.println("Enter your content: "); String content = scanner.nextLine(); // tao doi tuong dung cho viec dem Counter counter = new Counter(); counter.analyze(content); counter.display(); } public void display() { System.out.println(wordCounter); System.out.println(charCounter); } public void analyze(String content) { for (char ch : content.toCharArray()) { // bo qua khoang trang va ki tu khong phai la ki tu chu if (Character.isSpaceChar(ch)) { continue; } // dem so lan xaut hien cua tung ky tu if (!charCounter.containsKey(ch)) { charCounter.put(ch, 1); } else { charCounter.put(ch, ((int) charCounter.get(ch)) + 1); } } // dung lop String tokenzier de tach cac tu trong chuoi StringTokenizer tokenizer = new StringTokenizer(content); while (tokenizer.hasMoreTokens()) { String token = tokenizer.nextToken(); if (!wordCounter.containsKey(token)) { wordCounter.put(token, 1); } else { wordCounter.put(token, ((int) wordCounter.get(token)) + 1); } } } }
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