地铁管理系统 Java数据结构

好的，下面是一个简单的地铁管理系统Java代码，使用了数据结构图（Graph）来表示地铁路线，使用了深度优先搜索（DFS）算法来实现路线查询功能：

import java.util.*;

public class SubwayManagementSystem {
    
    private static class Graph {
        private Map<String, List<String>> adjacencyMap;

        Graph() {
            adjacencyMap = new HashMap<>();
        }

        void addStation(String stationName) {
            adjacencyMap.put(stationName, new ArrayList<>());
        }

        void addConnection(String station1, String station2) {
            adjacencyMap.get(station1).add(station2);
            adjacencyMap.get(station2).add(station1);
        }

        List<String> getConnectedStations(String station) {
            return adjacencyMap.get(station);
        }
    }

    private static void DFS(Graph graph, String start, String end, boolean[] visited, List<String> path) {
        visited[graph.getConnectedStations(start).indexOf(end)] = true;
        path.add(end);
        if (start.equals(end)) {
            System.out.println(path);
            path.remove(path.size() - 1);
            visited[graph.getConnectedStations(start).indexOf(end)] = false;
            return;
        }
        for (String station : graph.getConnectedStations(start)) {
            if (!visited[graph.getConnectedStations(start).indexOf(station)]) {
                path.add(station);
                DFS(graph, station, end, visited, path);
                path.remove(path.size() - 1);
            }
        }
        visited[graph.getConnectedStations(start).indexOf(end)] = false;
    }

    public static void main(String[] args) {
        Graph subwayMap = new Graph();
        subwayMap.addStation("A");
        subwayMap.addStation("B");
        subwayMap.addStation("C");
        subwayMap.addStation("D");
        subwayMap.addStation("E");
        subwayMap.addStation("F");
        subwayMap.addStation("G");

        subwayMap.addConnection("A", "B");
        subwayMap.addConnection("A", "C");
        subwayMap.addConnection("B", "D");
        subwayMap.addConnection("C", "D");
        subwayMap.addConnection("C", "E");
        subwayMap.addConnection("D", "F");
        subwayMap.addConnection("E", "F");
        subwayMap.addConnection("E", "G");

        boolean[] visited = new boolean[7];
        List<String> path = new ArrayList<>();
        path.add("A");
        DFS(subwayMap, "A", "F", visited, path);
    }
}

这里使用了一个简单的地铁路线图作为示例，你可以根据自己的需求和数据结构进行修改和扩展。