在java中从文件中读取用户名和密码

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

public class CredentialReader {
    public static void main(String[] args) {
        Map<String, String> credentials = readCredentialsFromFile("credentials.txt");
        System.out.println(credentials);
    }

    public static Map<String, String> readCredentialsFromFile(String filePath) {
        Map<String, String> credentials = new HashMap<>();

        try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
            String line;
            while ((line = reader.readLine()) != null) {
                String[] parts = line.split(":");
                if (parts.length == 2) {
                    String username = parts[0];
                    String password = parts[1];
                    credentials.put(username, password);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        return credentials;
    }
}