用JAVA写一个舆情分析系统

好的，为您提供一个简单的JAVA舆情分析系统的代码：

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class SentimentAnalysisSystem {

private Map<String, Integer> positiveWords;
private Map<String, Integer> negativeWords;

public SentimentAnalysisSystem() {
positiveWords = new HashMap<>();
negativeWords = new HashMap<>();

// 假设这里有一些正面和负面的词汇
positiveWords.put("好", 1);
positiveWords.put("高兴", 2);
negativeWords.put("坏", -1);
negativeWords.put("难过", -2);
}

public int analyzeSentiment(String text) {
int score = 0;
String[] words = text.split(" ");
for (String word : words) {
if (positiveWords.containsKey(word)) {
score += positiveWords.get(word);
} else if (negativeWords.containsKey(word)) {
score += negativeWords.get(word);
}
}
return score;
}

public List<String> getPositiveWords() {
return new ArrayList<>(positiveWords.keySet());
}

public List<String> getNegativeWords() {
return new ArrayList<>(negativeWords.keySet());
}
}

请注意，这只是一个简单的示例，实际上舆情分析系统需要更复杂的算法和数据集来进行分析。