List of usage examples for java.util ArrayList clear
public void clear()
From source file:Main.java
public static void main(String[] a) { ArrayList<String> nums = new ArrayList<String>(); nums.clear(); nums.add("One"); nums.add("Two"); nums.add("Three"); System.out.println(nums);/*from w ww.j a va2 s.c o m*/ nums.set(0, "Uno"); nums.set(1, "Dos"); nums.set(2, "Tres"); System.out.println(nums); }
From source file:Main.java
public static void main(String[] a) { ArrayList<String> nums = new ArrayList<String>(); nums.clear(); nums.add("One"); nums.add("Two"); nums.add("Three"); System.out.println(nums);//from w w w . j av a 2s .c om nums.set(0, "Uno"); nums.set(1, "Dos"); nums.set(2, "java2s.com"); System.out.println(nums); }
From source file:Main.java
public static void main(String[] args) { ArrayList<String> arrayList = new ArrayList<String>(); arrayList.add("1"); arrayList.add("2"); arrayList.add("3"); System.out.println(arrayList.size()); arrayList.clear(); System.out.println(arrayList.size()); }
From source file:Main.java
public static void main(String[] args) { ArrayList<Integer> arrlist = new ArrayList<Integer>(5); // use add() method to add elements in the list arrlist.add(20);// w w w . j a va 2 s .co m arrlist.add(30); arrlist.add(10); arrlist.add(50); System.out.println(arrlist); // finding size of this list int retval = arrlist.size(); System.out.println("List consists of " + retval + " elements"); arrlist.clear(); retval = arrlist.size(); System.out.println("list consists of " + retval + " elements"); }
From source file:Main.java
public static void main(String[] args) { ArrayList<Integer> ids = new ArrayList<>(); int total = ids.size(); // total will be zero System.out.println("ArrayList size is " + total); System.out.println("ArrayList elements are " + ids); ids.add(new Integer(10)); // Adding an Integer object. ids.add(20); // Autoboxing ids.add(30); // Autoboxing total = ids.size(); // total will be 3 System.out.println("ArrayList size is " + total); System.out.println("ArrayList elements are " + ids); ids.clear(); total = ids.size(); // total will be 0 System.out.println("ArrayList size is " + total); System.out.println("ArrayList elements are " + ids); }
From source file:guardar.en.base.de.datos.MainServidor.java
public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException, ClassNotFoundException { Mongo mongo = new Mongo("localhost", 27017); // nombre de la base de datos DB database = mongo.getDB("paginas"); // coleccion de la db DBCollection collection = database.getCollection("indice"); DBCollection collection_textos = database.getCollection("tabla"); ArrayList<String> lista_textos = new ArrayList(); try {/*from www . ja va 2s . c o m*/ ServerSocket servidor = new ServerSocket(4545); // Crear un servidor en pausa hasta que un cliente llegue. while (true) { String aux = new String(); lista_textos.clear(); Socket clienteNuevo = servidor.accept();// Si llega se acepta. // Queda en pausa otra vez hasta que un objeto llegue. ObjectInputStream entrada = new ObjectInputStream(clienteNuevo.getInputStream()); JSONObject request = (JSONObject) entrada.readObject(); String b = (String) request.get("id"); //hacer una query a la base de datos con la palabra que se quiere obtener BasicDBObject query = new BasicDBObject("palabra", b); DBCursor cursor = collection.find(query); ArrayList<DocumentosDB> lista_doc = new ArrayList<>(); // de la query tomo el campo documentos y los agrego a una lista try { while (cursor.hasNext()) { //System.out.println(cursor.next()); BasicDBList campo_documentos = (BasicDBList) cursor.next().get("documentos"); // en el for voy tomando uno por uno los elementos en el campo documentos for (Iterator<Object> it = campo_documentos.iterator(); it.hasNext();) { BasicDBObject dbo = (BasicDBObject) it.next(); //DOC tiene id y frecuencia DocumentosDB doc = new DocumentosDB(); doc.makefn2(dbo); //int id = (int)doc.getId_documento(); //int f = (int)doc.getFrecuencia(); lista_doc.add(doc); //******************************************* //******************************************** //QUERY A LA COLECCION DE TEXTOS /* BasicDBObject query_textos = new BasicDBObject("id", doc.getId_documento());//query DBCursor cursor_textos = collection_textos.find(query_textos); try { while (cursor_textos.hasNext()) { DBObject obj = cursor_textos.next(); String titulo = (String) obj.get("titulo"); titulo = titulo + "\n\n"; String texto = (String) obj.get("texto"); String texto_final = titulo + texto; aux = texto_final; lista_textos.add(texto_final); } } finally { cursor_textos.close(); }*/ //System.out.println(doc.getId_documento()); //System.out.println(doc.getFrecuencia()); } // end for } //end while query } finally { cursor.close(); } // ordeno la lista de menor a mayor Collections.sort(lista_doc, new Comparator<DocumentosDB>() { @Override public int compare(DocumentosDB o1, DocumentosDB o2) { //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. return o1.getFrecuencia().compareTo(o2.getFrecuencia()); } }); int tam = lista_doc.size() - 1; for (int j = tam; j >= 0; j--) { BasicDBObject query_textos = new BasicDBObject("id", (int) lista_doc.get(j).getId_documento().intValue());//query DBCursor cursor_textos = collection_textos.find(query_textos);// lo busco try { while (cursor_textos.hasNext()) { DBObject obj = cursor_textos.next(); String titulo = "*******************************"; titulo += (String) obj.get("titulo"); int f = (int) lista_doc.get(j).getFrecuencia().intValue(); String strinf = Integer.toString(f); titulo += "******************************* frecuencia:" + strinf; titulo = titulo + "\n\n"; String texto = (String) obj.get("texto"); String texto_final = titulo + texto + "\n\n"; aux = aux + texto_final; //lista_textos.add(texto_final); } } finally { cursor_textos.close(); } } //actualizar el cache try { Socket cliente_cache = new Socket("localhost", 4500); // nos conectamos con el servidor ObjectOutputStream mensaje_cache = new ObjectOutputStream(cliente_cache.getOutputStream()); // get al output del servidor, que es cliente : socket del cliente q se conecto al server JSONObject actualizacion_cache = new JSONObject(); actualizacion_cache.put("actualizacion", 1); actualizacion_cache.put("busqueda", b); actualizacion_cache.put("respuesta", aux); mensaje_cache.writeObject(actualizacion_cache); // envio el msj al servidor } catch (Exception ex) { } //RESPONDER DESDE EL SERVIDORIndex al FRONT ObjectOutputStream resp = new ObjectOutputStream(clienteNuevo.getOutputStream());// obtengo el output del cliente para mandarle un msj resp.writeObject(aux); System.out.println("msj enviado desde el servidor"); } } catch (IOException ex) { Logger.getLogger(MainServidor.class.getName()).log(Level.SEVERE, null, ex); } }
From source file:edu.upenn.cis.FastAlign.java
/** * Prints alignments for options specified by command line arguments. * @param argv parameters to be used by FastAlign. *//* ww w . j a va 2s .c o m*/ public static void main(String[] argv) { FastAlign align = FastAlign.initCommandLine(argv); if (align == null) { System.err.println("Usage: java " + FastAlign.class.getCanonicalName() + " -i file.fr-en\n" + " Standard options ([USE] = strongly recommended):\n" + " -i: [REQ] Input parallel corpus\n" + " -v: [USE] Use Dirichlet prior on lexical translation distributions\n" + " -d: [USE] Favor alignment points close to the monotonic diagonoal\n" + " -o: [USE] Optimize how close to the diagonal alignment points should be\n" + " -r: Run alignment in reverse (condition on target and predict source)\n" + " -c: Output conditional probability table\n" + " -e: Start with existing conditional probability table\n" + " Advanced options:\n" + " -I: number of iterations in EM training (default = 5)\n" + " -p: p_null parameter (default = 0.08)\n" + " -N: No null word\n" + " -a: alpha parameter for optional Dirichlet prior (default = 0.01)\n" + " -T: starting lambda for diagonal distance parameter (default = 4)\n"); System.exit(1); } boolean use_null = !align.no_null_word; if (align.variational_bayes && align.alpha <= 0.0) { System.err.println("--alpha must be > 0\n"); System.exit(1); } double prob_align_not_null = 1.0 - align.prob_align_null; final int kNULL = align.d.Convert("<eps>"); TTable s2t = new TTable(); if (!align.existing_probability_filename.isEmpty()) { boolean success = s2t.ImportFromFile(align.existing_probability_filename, '\t', align.d); if (!success) { System.err.println("Can't read table " + align.existing_probability_filename); System.exit(1); } } Map<Pair, Integer> size_counts = new HashMap<Pair, Integer>(); double tot_len_ratio = 0; double mean_srclen_multiplier = 0; List<Double> probs = new ArrayList<Double>(); ; // E-M Iterations Loop TODO move this into a method? for (int iter = 0; iter < align.iterations || (iter == 0 && align.iterations == 0); ++iter) { final boolean final_iteration = (iter >= (align.iterations - 1)); System.err.println("ITERATION " + (iter + 1) + (final_iteration ? " (FINAL)" : "")); Scanner in = null; try { in = new Scanner(new File(align.input)); if (!in.hasNextLine()) { System.err.println("Can't read " + align.input); System.exit(1); } } catch (FileNotFoundException e) { e.printStackTrace(); System.err.println("Can't read " + align.input); System.exit(1); } double likelihood = 0; double denom = 0.0; int lc = 0; boolean flag = false; String line; // String ssrc, strg; ArrayList<Integer> src = new ArrayList<Integer>(); ArrayList<Integer> trg = new ArrayList<Integer>(); double c0 = 0; double emp_feat = 0; double toks = 0; // Iterate over each line of the input file while (in.hasNextLine()) { line = in.nextLine(); ++lc; if (lc % 1000 == 0) { System.err.print('.'); flag = true; } if (lc % 50000 == 0) { System.err.println(" [" + lc + "]\n"); System.err.flush(); flag = false; } src.clear(); trg.clear(); // TODO this is redundant; src and tgt cleared in ParseLine // Integerize and split source and target lines. align.ParseLine(line, src, trg); if (align.is_reverse) { ArrayList<Integer> tmp = src; src = trg; trg = tmp; } // TODO Empty lines break the parser. Should this be true? if (src.size() == 0 || trg.size() == 0) { System.err.println("Error in line " + lc + "\n" + line); System.exit(1); } if (iter == 0) { tot_len_ratio += ((double) trg.size()) / ((double) src.size()); } denom += trg.size(); probs.clear(); // Add to pair length counts only if first iteration. if (iter == 0) { Pair pair = new Pair(trg.size(), src.size()); Integer value = size_counts.get(pair); if (value == null) value = 0; size_counts.put(pair, value + 1); } boolean first_al = true; // used when printing alignments toks += trg.size(); // Iterate through the English tokens for (int j = 0; j < trg.size(); ++j) { final int f_j = trg.get(j); double sum = 0; double prob_a_i = 1.0 / (src.size() + (use_null ? 1 : 0)); // uniform (model 1) if (use_null) { if (align.favor_diagonal) { prob_a_i = align.prob_align_null; } probs.add(0, s2t.prob(kNULL, f_j) * prob_a_i); sum += probs.get(0); } double az = 0; if (align.favor_diagonal) az = DiagonalAlignment.computeZ(j + 1, trg.size(), src.size(), align.diagonal_tension) / prob_align_not_null; for (int i = 1; i <= src.size(); ++i) { if (align.favor_diagonal) prob_a_i = DiagonalAlignment.unnormalizedProb(j + 1, i, trg.size(), src.size(), align.diagonal_tension) / az; probs.add(i, s2t.prob(src.get(i - 1), f_j) * prob_a_i); sum += probs.get(i); } if (final_iteration) { double max_p = -1; int max_index = -1; if (use_null) { max_index = 0; max_p = probs.get(0); } for (int i = 1; i <= src.size(); ++i) { if (probs.get(i) > max_p) { max_index = i; max_p = probs.get(i); } } if (max_index > 0) { if (first_al) first_al = false; else System.out.print(' '); if (align.is_reverse) System.out.print("" + j + '-' + (max_index - 1)); else System.out.print("" + (max_index - 1) + '-' + j); } } else { if (use_null) { double count = probs.get(0) / sum; c0 += count; s2t.Increment(kNULL, f_j, count); } for (int i = 1; i <= src.size(); ++i) { final double p = probs.get(i) / sum; s2t.Increment(src.get(i - 1), f_j, p); emp_feat += DiagonalAlignment.feature(j, i, trg.size(), src.size()) * p; } } likelihood += Math.log(sum); } if (final_iteration) System.out.println(); } // log(e) = 1.0 double base2_likelihood = likelihood / Math.log(2); if (flag) { System.err.println(); } if (iter == 0) { mean_srclen_multiplier = tot_len_ratio / lc; System.err.println("expected target length = source length * " + mean_srclen_multiplier); } emp_feat /= toks; System.err.println(" log_e likelihood: " + likelihood); System.err.println(" log_2 likelihood: " + base2_likelihood); System.err.println(" cross entropy: " + (-base2_likelihood / denom)); System.err.println(" perplexity: " + Math.pow(2.0, -base2_likelihood / denom)); System.err.println(" posterior p0: " + c0 / toks); System.err.println(" posterior al-feat: " + emp_feat); //System.err.println(" model tension: " + mod_feat / toks ); System.err.println(" size counts: " + size_counts.size()); if (!final_iteration) { if (align.favor_diagonal && align.optimize_tension && iter > 0) { for (int ii = 0; ii < 8; ++ii) { double mod_feat = 0; Iterator<Map.Entry<Pair, Integer>> it = size_counts.entrySet().iterator(); for (; it.hasNext();) { Map.Entry<Pair, Integer> entry = it.next(); final Pair p = entry.getKey(); for (int j = 1; j <= p.first; ++j) mod_feat += entry.getValue() * DiagonalAlignment.computeDLogZ(j, p.first, p.second, align.diagonal_tension); } mod_feat /= toks; System.err.println(" " + ii + 1 + " model al-feat: " + mod_feat + " (tension=" + align.diagonal_tension + ")"); align.diagonal_tension += (emp_feat - mod_feat) * 20.0; if (align.diagonal_tension <= 0.1) align.diagonal_tension = 0.1; if (align.diagonal_tension > 14) align.diagonal_tension = 14; } System.err.println(" final tension: " + align.diagonal_tension); } if (align.variational_bayes) s2t.NormalizeVB(align.alpha); else s2t.Normalize(); //prob_align_null *= 0.8; // XXX //prob_align_null += (c0 / toks) * 0.2; prob_align_not_null = 1.0 - align.prob_align_null; } } if (!align.conditional_probability_filename.isEmpty()) { System.err.println("conditional probabilities: " + align.conditional_probability_filename); s2t.ExportToFile(align.conditional_probability_filename, align.d); } System.exit(0); }
From source file:mmllabvsdextractfeature.MMllabVSDExtractFeature.java
/** * @param args the command line arguments */// ww w . j a v a 2s . co m public static void main(String[] args) throws IOException { // TODO code application logic here MMllabVSDExtractFeature hello = new MMllabVSDExtractFeature(); FileStructer metdata = new FileStructer(); //Utility utilityClassIni = new Utility(); FrameStructer frameStructer = new FrameStructer(); /* Flow : 1. Read metdata file 2. Untar folder: -1 Shot content 25 frame -1 folder 50 shot Process with 1 shot: - Resize All image 1 shot --> delete orginal. - Extract feature 25 frame - Pooling Max and aveg. - Delete Image, feature - zip file Feature 3. Delete File. */ // Load metadata File String dir = "/media/data1"; String metadataFileDir = "/media/data1/metdata/devel2011-new.lst"; ArrayList<FileStructer> listFileFromMetadata = metdata.readMetadata(metadataFileDir); // String test = utilityClass.readTextFile("C:\\Users\\tiendv\\Downloads\\VSD_devel2011_1.shot_1.RKF_1.Frame_1.txt"); // ArrayList <String> testFeatureSave = utilityClass.SplitUsingTokenizerWithLineArrayList(test, " "); // utilityClass.writeToFile("C:\\Users\\tiendv\\Downloads\\VSD_devel2011_1.shot_1.txt", testFeatureSave); // System.out.println(test); for (int i = 0; i < listFileFromMetadata.size(); i++) { Utility utilityClass = new Utility(); //Un zip file String folderName = listFileFromMetadata.get(i).getWholeFolderName(); String nameZipFile = dir + "/" + folderName + "/" + listFileFromMetadata.get(i).getNameZipFileName() + ".tar"; nameZipFile = nameZipFile.replaceAll("\\s", ""); String outPutFolder = dir + "/" + folderName + "/" + listFileFromMetadata.get(i).getNameZipFileName(); outPutFolder = outPutFolder.replaceAll("\\s", ""); utilityClass.unTarFolder(UNTARSHFILE, nameZipFile, outPutFolder + "_"); // Resize all image in folder has been unzip utilityClass.createFolder(CREADFOLDER, outPutFolder); utilityClass.resizeWholeFolder(outPutFolder + "_", outPutFolder, resizeWidth, resizeHeight); utilityClass.deleteWholeFolder(DELETEFOLDER, outPutFolder + "_"); // Read all file from Folder has been unzip ArrayList<FrameStructer> allFrameInZipFolder = new ArrayList<>(); allFrameInZipFolder = frameStructer.getListFileInZipFolder(outPutFolder); System.out.println(allFrameInZipFolder.size()); // sort with shot ID Collections.sort(allFrameInZipFolder, FrameStructer.frameIDNo); // Loop with 1 shot int indexFrame = 0; for (int n = 0; n < allFrameInZipFolder.size() / 25; n++) { // Process with 1 ArrayList<String> nameAllFrameOneShot = new ArrayList<>(); String shotAndFolderName = new String(); for (; indexFrame < Math.min((n + 1) * 25, allFrameInZipFolder.size()); indexFrame++) { String imageForExtract = outPutFolder + "/" + allFrameInZipFolder.get(indexFrame).toFullName() + ".jpg"; shotAndFolderName = allFrameInZipFolder.get(indexFrame).shotName(); String resultNameAfterExtract = outPutFolder + "/" + allFrameInZipFolder.get(indexFrame).toFullName() + ".txt"; nameAllFrameOneShot.add(resultNameAfterExtract); // extract and Delete image file --> ouput image'feature utilityClass.excuteFeatureExtractionAnImage(EXTRACTFEATUREANDDELETESOURCEIMAGESHFILE, "0", CUDAOVERFEATPATH, imageForExtract, resultNameAfterExtract); } // Pooling // DenseMatrix64F resultMaTrixFeatureOneShot = utilityClass.buidEJMLMatrixFeatureOneShot(nameAllFrameOneShot); // utilityClass.savePoolingFeatureOneShotWithEJMLFromMatrix(resultMaTrixFeatureOneShot,outPutFolder,shotAndFolderName); utilityClass.buidPoolingFileWithOutMatrixFeatureOneShot(nameAllFrameOneShot, outPutFolder, shotAndFolderName); // Save A file for (int frameCount = 0; frameCount < nameAllFrameOneShot.size(); frameCount++) { // Delete feature extract file utilityClass.deletefile(DELETEFILE, nameAllFrameOneShot.get(frameCount)); } // Release one shot data nameAllFrameOneShot.clear(); System.out.print("The end of one's shot" + "\n" + n); } // Delete zip file utilityClass.deletefile(DELETEFILE, nameZipFile); // Zip Whole Folder /** * Extract 1 shot * Resize 25 frame with the same shotid --> delete orgra. * Extract 25 frame --> feature file --->delete * */ } }
From source file:dependencies.DependencyResolving.java
/** * @param args the command line arguments *//* w w w . j a v a 2 s.c o m*/ public static void main(String[] args) { // TODO code application logic here JSONParser parser = new JSONParser(); //we use JSONParser in order to be able to read from JSON file try { //here we declare the file reader and define the path to the file dependencies.json Object obj = parser.parse(new FileReader( "C:\\Users\\Vladimir\\Documents\\NetBeansProjects\\DependenciesResolving\\src\\dependencies\\dependencies.json")); JSONObject project = (JSONObject) obj; //a JSON object containing all the data in the .json file JSONArray dependencies = (JSONArray) project.get("dependencies"); //get array of objects with key "dependencies" System.out.print("We need to install the following dependencies: "); Iterator<String> iterator = dependencies.iterator(); //define an iterator over the array "dependencies" while (iterator.hasNext()) { System.out.println(iterator.next()); } //on the next line we declare another object, which parses a Parser object and reads from all_packages.json Object obj2 = parser.parse(new FileReader( "C:\\Users\\Vladimir\\Documents\\NetBeansProjects\\DependenciesResolving\\src\\dependencies\\all_packages.json")); JSONObject tools = (JSONObject) obj2; //a JSON object containing all thr data in the file all_packages.json for (int i = 0; i < dependencies.size(); i++) { if (tools.containsKey(dependencies.get(i))) { System.out.println( "In order to install " + dependencies.get(i) + ", we need the following programs:"); JSONArray temporaryArray = (JSONArray) tools.get(dependencies.get(i)); //a temporary JSON array in which we store the keys and values of the dependencies for (i = 0; i < temporaryArray.size(); i++) { System.out.println(temporaryArray.get(i)); } ArrayList<Object> arraysOfJsonData = new ArrayList<Object>(); //an array in which we will store the keys of the objects, after we use the values and won't need them anymore for (i = 0; i < temporaryArray.size(); i++) { System.out.println("Installing " + temporaryArray.get(i)); } while (!temporaryArray.isEmpty()) { for (Object element : temporaryArray) { if (tools.containsKey(element)) { JSONArray secondaryArray = (JSONArray) tools.get(element); //a temporary array within the scope of the if-statement if (secondaryArray.size() != 0) { System.out.println("In order to install " + element + ", we need "); } for (i = 0; i < secondaryArray.size(); i++) { System.out.println(secondaryArray.get(i)); } for (Object o : secondaryArray) { arraysOfJsonData.add(o); //here we create a file with the installed dependency File file = new File( "C:\\Users\\Vladimir\\Documents\\NetBeansProjects\\DependenciesResolving\\src\\dependencies\\installed_modules\\" + o); if (file.createNewFile()) { System.out.println(file.getName() + " is installed!"); } else { } } secondaryArray.clear(); } } temporaryArray.clear(); for (i = 0; i < arraysOfJsonData.size(); i++) { temporaryArray.add(arraysOfJsonData.get(i)); } arraysOfJsonData.clear(); } } } Set<String> keys = tools.keySet(); // here we define a set of keys of the objects in all_packages.json for (String s : keys) { File file = new File( "C:\\Users\\Vladimir\\Documents\\NetBeansProjects\\DependenciesResolving\\src\\dependencies\\installed_modules\\" + s); if (file.createNewFile()) { System.out.println(file.getName() + " is installed."); } else { } } } catch (IOException ex) { Logger.getLogger(DependencyResolving.class.getName()).log(Level.SEVERE, null, ex); } catch (ParseException ex) { Logger.getLogger(DependencyResolving.class.getName()).log(Level.SEVERE, null, ex); } }
From source file:Main.java
@SuppressWarnings({ "unchecked", "rawtypes" })
public static void removeDuplicate(ArrayList arlList) {
HashSet h = new HashSet(arlList);
arlList.clear();
arlList.addAll(h);/*from w w w.j av a 2 s . com*/
}