Java比较两个花名册：判断是否相同

String[] roster1 = {'张三','李四','王五','赵六'}; String[] roster2 = {'张三','李四','王五','赵六','小明'};

System.out.println(roster1.length); System.out.println(roster2.length);

if(Arrays.equals(roster1, roster2)){ System.out.println('相同'); }else{ System.out.println('不相同'); }