做效果图兼职的网站有哪些/权重查询
太久没写数据结构算法了,不知道是想考我数据结构还是考API的熟练程度呢。有点紧张,磕磕碰碰写完了,如果时间充足,我想把整个linux的命令的参数都放进函数参数,有限时间很多代码健壮性并没考虑到,例如流的打开关闭。
/**
* 评测题目: 实现以下shell脚本的功能(不使用Stream.api, 题目中awk表示取第三列)
cat /Users/micro/jyxb_gitLab/logs/test.log | grep “login” | awk ‘{print $3}’ | sort | uniq -c | sort -k 2r
902 login lilei www.taobao.com
220 login hmm s.taobao.com
499 visit cde i.taobao.com
879 login lilei s.taobao.com
输出
2 lilei
1 hmm
// ————————-
*/
InputStreamReader inputStreamReader = null;BufferedReader bufferedReader = null;try {File logFile = new File("/home/admin/logs/webx.log");inputStreamReader = new InputStreamReader(new FileInputStream(logFile));bufferedReader = new BufferedReader(inputStreamReader);List<List<String>> contentList = new ArrayList<List<String>>();String con
tent = null;while((content = bufferedReader.readLine()) != null) {List<String> rawList = new ArrayList<String>();for (String r : content.split(" ")) {if (!"".equals(r.trim())) {rawList.add(r);}}if (rawList.size() > 0) {contentList.add(rawList);}}// 取第三列List<String> threeQueueList = new ArrayList<String>();for (List<String> rowList : contentList) {threeQueueList.add(rowList.get(2));}// 去除重复Set<String> nameSet = new HashSet<String>(threeQueueList);// 排序List<String> nameList = new ArrayList<String>(nameSet);Collections.sort(nameList, new Comparator<String>() {public int compare(String a, String b) {// 比较asciichar[] aArray = a.toCharArray();char[] bArray = b.toCharArray();int p = 0;while(a.length() > p && b.length() > p) {if ((int)bArray[p] < (int)aArray[p]) {return -1;} else if ((int)bArray[p] > (int)aArray[p]){return 1;}p ++;}return 0;}});StringBuilder outContentStringBuilder = new StringBuilder();outContentStringBuilder.append("1 ").append(nameList.get(0)).append("\n").append("2 ").append(nameList.get(1));System.out.println(outContentStringBuilder);} catch (Exception ex) {} finally {try {inputStreamReader.close();bufferedReader.close();} catch (IOException e) {e.printStackTrace();}}