请问各位大神们如何把字符串数组里的回温字符串打印出来,并统计出个数呢
例如:String [] arr={"12321","445544","123456","12021"}.

请问各位大神们如何把字符串数组里的回温字符串打印出来,并统计出个数呢
例如:String [] arr={"12321","445544","123456","12021"}.