public int compare(User u1, User u2) { Integer num1 = Integer.parseInt(u1.number.substring(1)); Integer num2 = Integer.parseInt(u2.number.substring(1)); if (u1.number.charAt(0) == u2.number.charAt(0)) { // 如果两人的号都是A开头或者都是V开头,比较号的大小: return num1.compareTo(num2); } if (u1.number.charAt(0) == 'V') { // u1的号码是V开头,优先级高: return -1; } else { return 1; } }
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