我的代码有问题。我在文本中编写了计数单词的程序,但我的模式问题很小,必须在文本中搜索。也许有人可以帮助我。
import java.util.*;
class KomparatorLicz implements Comparator<Word> {
@Override
public int compare(Word arg0, Word arg1) {
return arg1.amount - arg0.amount;
}
}
class KomparatorString implements Comparator<Word> {
@Override
public int compare(Word obj1, Word obj2) {
if (obj1.content == obj2.content) {
return 0;
}
if (obj1.content == null) {
return -1;
}
if (obj2.content == null) {
return 1;
}
return obj1.content.compareTo(obj2.content);
}
}
class Word
{
public String content;
public int amount;
public Word(String content, int amount) {
this.content = content;
this.amount = amount;
}
@Override
public String toString() {
return "Word [content=" + content + ", amount=" + amount + "]";
}
}
public class Source4 {
public static float procent(int wordCount, int oneWord)
{
return (((float)oneWord*100)/(float)wordCount);
}
public static void main(String[] args) {
String line, wordsLine[];
String klucze = null;
int valTemp;
int wordCount=0;
int keyWords=0;
HashMap<String, Word> slownik = new HashMap<String, Word>();
ArrayList<Word> lista= new ArrayList<Word>();
ArrayList<Object> keyWordsList = new ArrayList<Object>();
Scanner in = new Scanner(System.in);
String alph = in.nextLine();
keyWords = in.nextInt();
for(int i=0; i<keyWords; i++)
{
klucze = in.next();
keyWordsList.add(klucze);
}
while(in.hasNextLine())
{
line = in.nextLine();
if(line.equals("koniec")) break;
wordsLine = line.split("[^" + alph + "]");
for(String s : wordsLine) {
if(s != null && s.length() > 0)
{
wordCount++;
if(slownik.containsKey(s))
{
valTemp = slownik.get(s).amount;
slownik.remove(s);
valTemp++;
slownik.put(s, new Word(s,valTemp));
}
else
{
slownik.put(s, new Word(s,1));
}
}
}
}
for (String key : slownik.keySet())
{
lista.add(slownik.get(key));
}
Collections.sort(lista, new KomparatorString());
StringBuffer result = new StringBuffer();
int keyWordCounter=0;
int amountBuff=0;
float percentBuff=0;
for (int i = 0; i<lista.size();i++)
{
if(keyWordsList.contains(lista.get(i)))
{
result.append(amountBuff+" "+percentBuff+"%");
amountBuff = 0;
percentBuff = 0;
result.append("\n");
result.append(lista.get(i).amount+" "+(procent(wordCount,lista.get(i).amount)+"%"));
result.append(" "+lista.get(i).content);
result.append("\n");
keyWordCounter+=lista.get(i).amount;
}
else
{
amountBuff+=lista.get(i).amount;
percentBuff+=procent(wordCount,lista.get(i).amount);
}
}
result.append(amountBuff+" "+percentBuff+"%");
System.out.println("Wersja AK");
System.out.println(keyWords+" różnych słów kluczowych");
System.out.println(wordCount+" wystąpień wszystkich słów");
System.out.println(keyWordCounter+" "+procent(wordCount,keyWordCounter)+"% "+" wystąpień słów kluczowych");
System.out.println((wordCount-keyWordCounter)+" "+procent(wordCount,(wordCount-keyWordCounter))+"% wystąpień innych słów");
System.out.println(result);
}
}
答案 0 :(得分:0)
这是错误的代码if(keyWordsList.contains(lista.get(i)))
。
您需要if(keyWordsList.contains(lista.get(i).content))
。