LinkedList 예제

class StationList{
    public String name;
    public int next;
    
}
 
public class Main {
    
    public static StationList[] list = new StationList[10];
    
    public static int head;
    
    public static void initStationList() {
        
        for(int i = 0; i < list.length; i++) {
            list[i] = new StationList();
        }
        list[0].name = "부산";
        list[0].next = -1;
        list[1].name = "대전";
        list[1].next = 3;
        list[2].name = "서울";
        list[2].next = 4;
        list[3].name = "동대구";
        list[3].next = 0;
        list[4].name = "천안아산";
        list[4].next = 1;
        
        head = 2;
    }
    
    public static void printStationList() {
        int idx = head;
        while(idx != -1) {
            System.out.print("[" + list[idx].name + "] -> ");
            idx = list[idx].next;
        }
        System.out.println();
    }
    
    public static void insertStationList(int insIdx, String insName, int prevIdx) {
        list[insIdx].name = insName;
        list[insIdx].next = list[prevIdx].next;
        list[prevIdx].next = insIdx;
    }
    public static void deleteStationList(int delIdx, int prevIdx) {
        list[prevIdx].next = list[delIdx].next;
    }
    
    public static void main(String[] args) {
        initStationList();
        printStationList();
    
        insertStationList(5, "광명", 2);
        printStationList();
    
        deleteStationList(5,2);
        printStationList();
    }
}