Java - 使用getter（战争卡片游戏）在4名玩家中找到胜者

Hi there I am trying to get this to calculate the winner from 4 players (The game is the classic card game war) but I can only get it to do two. the first bit of the code is my Card class and the second bit is the main program where there are more if statements for working out the winner. the issue i'm having is with the method "getWinner". I have included the deck class also if that is needed (at the bottom). package warcard;Hi there I am trying to get this to calculate t