분명히 이클립스로 돌릴때엔 예제를 잘 해결해내는데 뭐가문제일까요...

문제는 백년전쟁입니다

import java.util.LinkedList;
import java.util.Scanner;

public class Main
{
static Scanner keyboard = new Scanner(System.in);
static LinkedList france=new LinkedList();
static LinkedList england=new LinkedList();
static LinkedList input=new LinkedList();
static LinkedList answer = new LinkedList();
public static void main(String[] args)
{

int T=keyboard.nextInt();
    for(int j=0;j<T;j++)
    {
        int N=keyboard.nextInt();int Q=keyboard.nextInt();
        Data temp;
        for(int k=0;k<N-2;k++)//한배열에 전부 입력
        {
            temp = new Data(keyboard.nextInt(),keyboard.nextInt());
            input.add(temp);
        }
        //일단국왕을색출해서 첫째라인 배정
        //지금부터 팀배정
        franceOperation(1);
        englandOperation(2);//팀배정완료




        for(int w=0;w<Q;w++)
        {
            //keyboard.nextLine();
            char choice = keyboard.next().charAt(0);

            if(choice=='T')
            {
                int tNum = keyboard.nextInt();
                tOperation(tNum);
            }
            else if(choice=='Q')
            {
                int qNum1 = keyboard.nextInt();
                int qNum2 = keyboard.nextInt();
                qOperation(qNum1,qNum2);
            }

        }
        printAnswer();





    }




}



public static void printAnswer()
{
    for(int i=0;i<answer.size();i++)
    {
        System.out.println(answer.get(i));
    }
}

public static void qOperation(int qNum1, int qNum2)
{
    int qNum1Team = 0; int qNum2Team=0;
    for(int i=0;i<england.size();i++)
    {
        if(england.get(i).num==qNum1)
        {
            qNum1Team = england.get(i).team;
        }
        else if(england.get(i).num==qNum2)
        {
            qNum2Team = england.get(i).team;
        }
    }
    for(int i=0;i<france.size();i++)
    {
        if(france.get(i).num==qNum1)
        {
            qNum1Team = france.get(i).team;
        }
        else if(france.get(i).num==qNum2)
        {
            qNum2Team = france.get(i).team;
        }
    }
    if(qNum1==1||qNum1==2)
    {
        qNum1Team=qNum1;
    }
    if(qNum2==1||qNum2==2)
    {
        qNum2Team=qNum2;
    }

    if(qNum1Team==qNum2Team)
    {
        answer.add("Ally");
    }
    else
    {
        answer.add("Enemy");
    }
}

public static void tOperation(int tNum)
{
    for(int i=0;i<england.size();i++)
    {
        if(england.get(i).num==tNum)
        {
            englandBasicBetray(tNum);
            englandBetray(tNum);

            return;
        }
    }
    for(int i=0;i<france.size();i++)
    {
        if(france.get(i).num==tNum)
        {
            franceBasicBetray(tNum);
            franceBetray(tNum);
            return;
        }
    }
}

public static void englandBasicBetray(int num)//넘겨받은 정수를 신하로 하는 것 뒤집기
{
    int index = 0;

        for(int i=0;i<england.size();i++)
        {
            if(england.get(i).num==num)
            {
                index=i;
                if(england.get(index).team==1)
                {
                    england.get(index).team=2;
                }
                else if(england.get(index).team==2)
                {
                    england.get(index).team=1;
                }

            }

        }

}

public static void englandBetray(int num)//넘겨받은 정수를 보스로하는 신하들 뒤집기
{
    int index = 0;
    while(true)
    {
        for(int i=0;i<england.size();i++)
        {
            if(england.get(i).boss==num)
            {
                index=i;
                if(england.get(index).team==1)
                {
                    england.get(index).team=2;
                }
                else if(england.get(index).team==2)
                {
                    england.get(index).team=1;
                }
                englandBetray(england.get(index).num);

            }
            if(i+1==england.size())//탈출조건
            {
                return;
            }
        }
        return;


    }
}

public static void franceBasicBetray(int num)//넘겨받은 정수를 신하로 하는 것 뒤집기
{
    int index = 0;

        for(int i=0;i<france.size();i++)
        {
            if(france.get(i).num==num)
            {
                index=i;
                if(france.get(index).team==1)
                {
                    france.get(index).team=2;
                }
                else if(france.get(index).team==2)
                {
                    france.get(index).team=1;
                }

            }

        }

}

public static void franceBetray(int num)//넘겨받은 정수를 보스로하는 신하들 뒤집기
{
    int index = 0;
    while(true)
    {
        for(int i=0;i<france.size();i++)
        {
            if(france.get(i).boss==num)
            {
                index=i;
                if(france.get(index).team==1)
                {
                    france.get(index).team=2;
                }
                else if(france.get(index).team==2)
                {
                    france.get(index).team=1;
                }
                franceBetray(france.get(index).num);

            }
            if(i+1==france.size())//탈출조건
            {
                return;
            }
        }
        return;


    }
}

public static void franceOperation(int num)/*주군번호*/
//프랑스팀 만들기 재귀함수
{
    int index = 0;
    while(true)
    {
        for(int i=0;i<input.size();i++)
        {
            if(input.get(i).boss==num)
            {
                index=i;
                break;
            }
            if(i+1==input.size())//탈출조건
            {
                return;
            }
        }
        france.add(input.get(index));
        france.getLast().team = 1;
        input.remove(index);
        franceOperation(france.getLast().num);
    }
}

public static void englandOperation(int num)/*주군번호*/
//영국팀 만들기 재귀함수
{
    int index = 0;
    while(true)
    {
        for(int i=0;i<input.size();i++)
        {
            if(input.get(i).boss==num)
            {
                index=i;
                break;
            }
            if(i+1==input.size())//탈출조건
            {
                return;
            }
        }
        england.add(input.get(index));
        england.getLast().team = 2;
        input.remove(index);
        if(input.size()==0)
            return;
        englandOperation(england.getLast().num);
    }
}

}

class Data
{
int boss;//주군번호
int num;//신하번호
int team;//1은 프랑스 2는 영국
Data(int boss, int num)
{
this.num=num;
this.boss=boss;
}

Data(int boss)
{
    this.boss = boss;
}

}