數(shù)據(jù)結(jié)構(gòu)課程設(shè)計(jì)—java通訊錄管理系統(tǒng)-wenkub.com
2025-08-04 14:55 本頁(yè)面
【正文】 }}/* * * author RangWei * * TODO 這個(gè)類繼承ArrayList* 用來(lái)按數(shù)字排序,在用號(hào)碼排序時(shí)要用到它**/class DataArrayList extends ArrayList{public void add(long num){String numToString = (num).toString()。Not found Key: amp。}public void remove(long i)//接收學(xué)號(hào),然后刪除學(xué)號(hào)(key)和它對(duì)應(yīng)的數(shù)據(jù)(value) {remove((i).toString().toString())。while ((s=())!=null){i=numberTokenizer(s)。quot。amp。)。(amp。quot。if(isFind) { deleteData(num)。 BufferedReader in =new BufferedReader (new InputStreamReader())。quot。 tempStr = (temp)。quot。)))。}PrintWriter out =new PrintWriter (new BufferedWriter(new FileWriter(amp。quot。DataMap dm = new DataMap()。))。BufferedReader in =new BufferedReader(new FileReader(amp。quot。lt。while ((read = ())!=null)(read)。String read = amp。quot。quot。}elsethrow new NumberNotFoundException()。學(xué)生的資料是:amp。學(xué)號(hào)amp。}//()。quot。 DataMap dm = new DataMap()。quot。quot。)。 }}catch(IOException e){}}public long numberTokenizer(String s)throws IOException{StringTokenizer st =new StringTokenizer(s,amp。quot。while( (s1 = ())!=null){(s1)。quot。c:\\amp。quot。while(()){s1 = (String)()。}try{if(( (deleteNumber).toString())) {(deleteNumber)。quot。quot。quot。quot。//生成一個(gè)自己編寫的容器 long j=0。quot。quot。)。//,所以清除了原來(lái)的//關(guān)閉文件(amp。quot。quot。)。data\amp。}catch (IOException e){}}else{(amp。quot。 //就是原PrintWriter out = //文件+new PrintWriter( //形參str(新輸入的一行數(shù)據(jù))new BufferedWriter( //new FileWriter(file)))。quot。quot。quot。quot。quot。quot。隔開然后在連起來(lái)放進(jìn)字符串a(chǎn)ll}catch (IOException e){}catch (NumberFormatException e){}return all。//把所有的數(shù)據(jù)用amp。quot。quot。quot。//號(hào)碼 String name = (String)()。 amp。try{BufferedReader in = //從終new BufferedReader ( //端接new InputStreamReader())。String all = amp。quot。quot。}}/*** author RangWei** TODO 增加的一個(gè)Exception,主要是在文件里沒(méi)有要找 * 的號(hào)碼就拋出**/class NumberNotFoundException extends Exception{ public NumberNotFoundException(){}}quot。+s)。if (!containsKey(s)){(amp。}}catch(IOException e){}return ()。quot。long i =0。try{String s = amp。rewrite true!amp。 String str = inputData()。quot。long num = (inputLine).longValue()。quot。}()。quot。long temp = 0。c:\\amp。while ((s=())!=null){i=numberTokenizer(s)。quot。(i)。c:\\amp。quot。}public void numSort()//按學(xué)號(hào)排序throws IOException{long i = 0。long t = ()+(int)(seconds*1000)。amp。quot。isFind = false。quot。)。+find+amp。(amp。while ((s=())!=null){i=numberTokenizer(s)。quot。quot。quot。 }public void findData(long find)//查找數(shù)據(jù)throws IOException,NumberNotFoundException{isFind = true。 amp。quot。 }catch (NumberNotFoundException e) {isDelete = false。quot。)))。PrintWriter out =new PrintWriter(new BufferedWriter(new FileWriter(amp。quot。Collection c = ()。while ((s1=())!=null){j=numberTokenizer(s1)。quot。quot。quot。quot。}}public void deleteData(long deleteNumber)//刪除某條號(hào)碼數(shù)據(jù)throws IOException,FileNotFoundException{isDelete = true。quot。quot。clear data true!amp。quot。if(())//如果文件在{try{PrintWriter o
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