寻求Java高手,用数组实现随机输出1,2,3,4,5,6,7,8,9,10,J,Q,K中的四...答:public static void main(String[] args) { String[] a = {"1","2","3","4","5","6","7","8","9","10","j","q","k"};String[] b = new String[4];int n = a.length;for(int i = 0; i < b.length; i++) { int r = (int)(Math.random()*n);b[i] ...