Example usage for java.util ArrayList size

List of usage examples for java.util ArrayList size

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Introduction

In this page you can find the example usage for java.util ArrayList size.

Prototype

int size

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Document

The size of the ArrayList (the number of elements it contains).

Usage

From source file:Main.java

public static void revokePermission(String packageName, String permission, Context ctx) {
    String[] rPerms = getRevokedPerms(packageName, ctx);
    if (rPerms == null)
        rPerms = new String[0];
    ArrayList<String> revokedPerms = new ArrayList<String>();
    revokedPerms.addAll(Arrays.asList(rPerms));

    if (!revokedPerms.contains(permission)) {
        revokedPerms.add(permission);/*from ww  w.  j a  v  a  2 s . co  m*/
        String[] permsToRevoke = new String[revokedPerms.size()];
        revokedPerms.toArray(permsToRevoke);
        setRevokedPermissions(packageName, permsToRevoke, ctx);
    }
}

From source file:Main.java

public static void getTop(ArrayList<Double> array, ArrayList<Integer> rankList, int i) {
    int index = 0;
    HashSet<Integer> scanned = new HashSet<Integer>();
    Double max = Double.MIN_VALUE;
    for (int m = 0; m < i && m < array.size(); m++) {
        max = Double.MIN_VALUE;//  w  w  w .j a v  a  2s  .  c  o m
        for (int no = 0; no < array.size(); no++) {
            if (!scanned.contains(no)) {
                if (array.get(no) > max) {
                    index = no;
                    max = array.get(no);
                } else if (array.get(no).equals(max) && Math.random() > 0.5) {
                    index = no;
                    max = array.get(no);
                }
            }
        }
        if (!scanned.contains(index)) {
            scanned.add(index);
            rankList.add(index);
        }
        //System.out.println(m + "\t" + index);
    }
}

From source file:cn.sharesdk.analysis.db.MessageUtils.java

/**
 * delect msg by id//from   ww w.j  a v  a 2s.c o m
 * @param c
 * @param id
 * @return
 */
public static synchronized long deleteManyMsg(Context c, ArrayList<String> idList) {
    StringBuilder buider = new StringBuilder();
    for (int i = 0; i < idList.size(); i++) {
        buider.append("'");
        buider.append(idList.get(i));
        buider.append("'");
        buider.append(",");
    }
    String list = buider.toString().substring(0, buider.length() - 1);

    DBProvider provider = DBProvider.getDBProvider(c);
    int deleteCount = provider.delete(DBHelp.TABLE_STATISTICS, DBHelp.COLUMN_ID + " in ( " + list + " )", null);
    //Ln.e("delete COUNT == %s", deleteCount);   
    return deleteCount;
}

From source file:Main.java

public static File[] getFilesDirectorio(String nombreDirectorio) {
    File directorio = new File(nombreDirectorio);
    File[] files = directorio.listFiles();
    ArrayList<File> filtro = new ArrayList<File>();
    if (files != null)
        for (int i = 0; i < files.length; i++) {
            if (files[i].isFile()) {
                filtro.add(files[i]);//from   w  w w .j  a  v  a 2  s  . co  m
            }
        }
    return filtro.toArray(new File[filtro.size()]);
}

From source file:Main.java

/**
 * Convert a list of Strings from an Interator into an array of Classes (the
 * Strings are taken as classnames)./*from   ww  w  . j a va 2 s.  c o m*/
 * 
 * @param it
 *          A java.util.Iterator pointing to a Collection of Strings
 * @param cl
 *          The ClassLoader to use
 * 
 * @return Array of Classes
 * 
 * @throws ClassNotFoundException
 *           When a class could not be loaded from the specified ClassLoader
 */
public final static Class<?>[] convertToJavaClasses(Iterator<String> it, ClassLoader cl)
        throws ClassNotFoundException {
    ArrayList<Class<?>> classes = new ArrayList<Class<?>>();
    while (it.hasNext()) {
        classes.add(convertToJavaClass(it.next(), cl));
    }
    return classes.toArray(new Class[classes.size()]);
}

From source file:Main.java

public static List<ByteBuffer> mergeAdjacentBuffers(List<ByteBuffer> paramList) {
    ArrayList localArrayList = new ArrayList(paramList.size());
    Iterator localIterator = paramList.iterator();
    while (localIterator.hasNext()) {
        ByteBuffer localByteBuffer1 = (ByteBuffer) localIterator.next();
        int i = -1 + localArrayList.size();
        if ((i >= 0) && (localByteBuffer1.hasArray()) && (((ByteBuffer) localArrayList.get(i)).hasArray())
                && (localByteBuffer1.array() == ((ByteBuffer) localArrayList.get(i)).array())
                && (((ByteBuffer) localArrayList.get(i)).arrayOffset()
                        + ((ByteBuffer) localArrayList.get(i)).limit() == localByteBuffer1.arrayOffset())) {
            ByteBuffer localByteBuffer3 = (ByteBuffer) localArrayList.remove(i);
            localArrayList.add(ByteBuffer.wrap(localByteBuffer1.array(), localByteBuffer3.arrayOffset(),
                    localByteBuffer3.limit() + localByteBuffer1.limit()).slice());
        } else if ((i >= 0) && ((localByteBuffer1 instanceof MappedByteBuffer))
                && ((localArrayList.get(i) instanceof MappedByteBuffer))
                && (((ByteBuffer) localArrayList.get(i))
                        .limit() == ((ByteBuffer) localArrayList.get(i)).capacity()
                                - localByteBuffer1.capacity())) {
            ByteBuffer localByteBuffer2 = (ByteBuffer) localArrayList.get(i);
            localByteBuffer2.limit(localByteBuffer1.limit() + localByteBuffer2.limit());
        } else {/*from   w  w  w. j a v  a2s.c  o  m*/
            localByteBuffer1.reset();
            localArrayList.add(localByteBuffer1);
        }
    }
    return localArrayList;
}

From source file:Main.java

static String[] removeWithspaces(String[] values) {
    ArrayList<String> list = new ArrayList<String>(values.length);
    for (int i = 0; i < values.length; i++) {
        if (!values[i].equals("") && !values[i].equals(" ") && !values[i].equals("\t"))
            list.add(values[i]);//from w  w w  . jav a  2s.c  o  m
    }
    return list.toArray(new String[list.size()]);
}

From source file:org.neo4j.nlp.examples.wikipedia.main.java

private static List<Map<String, Object>> getWikipediaArticles() throws IOException {
    final String txUri = "http://localhost:7474/db/data/" + "transaction/commit";
    WebResource resource = Client.create().resource(txUri);

    String query = "MATCH (n:Page) WITH n, rand() as sortOrder " + "ORDER BY sortOrder " + "LIMIT 1000 "
            + "RETURN n.title as title";

    String payload = "{\"statements\" : [ {\"statement\" : \"" + query + "\"} ]}";
    ClientResponse response = resource.accept(MediaType.APPLICATION_JSON).type(MediaType.APPLICATION_JSON)
            .entity(payload).post(ClientResponse.class);

    ObjectMapper objectMapper = new ObjectMapper();
    HashMap<String, Object> result;
    try {/*from   ww  w  .j a  v a  2s .c  om*/
        result = objectMapper.readValue(response.getEntity(String.class), HashMap.class);
    } catch (Exception e) {
        throw e;
    }
    response.close();

    List<Map<String, Object>> results = new ArrayList<>();

    ArrayList resultSet = ((ArrayList) result.get("results"));
    List<LinkedHashMap<String, Object>> dataSet = (List<LinkedHashMap<String, Object>>) resultSet.stream()
            .map(a -> (LinkedHashMap<String, Object>) a).collect(Collectors.toList());

    List<LinkedHashMap> rows = (List<LinkedHashMap>) ((ArrayList) (dataSet.get(0).get("data"))).stream()
            .map(m -> (LinkedHashMap) m).collect(Collectors.toList());
    ArrayList cols = (ArrayList) (dataSet.get(0).get("columns"));

    for (LinkedHashMap row : rows) {
        ArrayList values = (ArrayList) row.get("row");
        Map<String, Object> resultRecord = new HashMap<>();
        for (int i = 0; i < values.size(); i++) {
            resultRecord.put(cols.get(i).toString(), values.get(i));
        }
        results.add(resultRecord);
    }
    return results;
}

From source file:com.baidu.cafe.local.NetworkUtils.java

/**
 * invoked 100 times costs 4800ms on Nexus One
 * /*from   w w w . j  av a 2 s.c  om*/
 * @param packageName
 * @param mode
 * @return
 */
private static int getPackageTraffic(String packageName, String mode) {
    if ((!MODE_RCV.equals(mode)) && (!MODE_SND.equals(mode))) {
        print("mode invaild:" + mode);
        return -1;
    }

    int traffic = 0;
    ArrayList<Integer> pids = getPidsByPackageName(packageName);
    if (pids.size() < 1) {
        print("pids.size() < 1;get pids by [" + packageName + "] failed");
        return -1;
    }
    int pid = pids.get(0);

    if (Build.VERSION.SDK_INT >= 14) {// API Level: 14. Android 4.0
        int uid = getUidByPid(pid);
        if (-1 == uid) {
            print("-1 == uid");
            return -1;
        }
        ArrayList<String> ret = new ShellExecute().execute(String.format("cat /proc/uid_stat/%s/%s", uid, mode),
                "/").console.strings;
        if (ret.size() > 0) {
            traffic = Integer.valueOf(ret.get(0));
        } else {
            print(String.format("Failed: cat /proc/uid_stat/%s/%s", uid, mode));
        }
    } else {
        Strings netString = new ShellExecute().execute(String.format("cat /proc/%s/net/dev", pid), "/").console;
        int rcv = 0;
        int snd = 0;
        for (String networkCard : NETWORK_CARD_TYPES) {
            Strings netLine = netString.grep(networkCard);
            if (netLine.strings.size() != 1) {
                continue;
            }
            rcv += Integer.valueOf(netLine.getRow("\\s{1,}", 2).strings.get(0));
            snd += Integer.valueOf(netLine.getRow("\\s{1,}", 10).strings.get(0));
        }
        if (MODE_RCV.equals(mode)) {
            traffic = rcv;
        } else if (MODE_SND.equals(mode)) {
            traffic = snd;
        }
    }
    return traffic;
}

From source file:Main.java

@SuppressWarnings("unchecked")
public static <E> E[] toArray(Collection<?> collection, Class<E> elementType, boolean sort) {
    if (collection == null || collection.isEmpty())
        return null;
    ArrayList arraylist = new ArrayList(collection);
    if (sort) {// ww  w. j  a v a  2 s  . c o  m
        Collections.sort(arraylist);
    }

    E[] array = (E[]) Array.newInstance(elementType, arraylist.size());
    arraylist.toArray(array);
    return array;
}