两个乒乓球队进行比赛,各出三人。甲队为a,b,c三人,乙队为x,y,z三人...答:import java.util.ArrayList;public class aa { String a,b,c;public static void main(String[] args) { String[] op = { "x", "y", "z" };ArrayList<aa>arrayList=new ArrayList<aa>();for (int i = 0; i < 3; i++)for (int j = 0; j < 3; j++)for (int k = 0;...