Example usage for java.util ArrayList size

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

/**
 * Concatenate two String arrays./*from w  ww .  j ava 2s. c  o  m*/
 * @param array1 cannot be null.
 * @param array2 cannot be null.
 * @return result.
 */
public static String[] concat(String[] array1, String[] array2) {
    ArrayList<String> result = new ArrayList<>();
    result.addAll(Arrays.asList(array1));
    result.addAll(Arrays.asList(array2));
    String[] array = new String[result.size()];
    result.toArray(array);
    return array;
}

From source file:Main.java

public static String arrayParamToString(ArrayList<String> strings) {

    String arrayToStringParam = "";

    if (strings != null && !strings.isEmpty()) {

        for (int i = 0; i < strings.size(); i++) {

            String param = strings.get(i);

            if (i == 0)
                arrayToStringParam += param;
            else/*from   ww w  .j  av  a 2  s . com*/
                arrayToStringParam += "," + param;

        }
    }

    return arrayToStringParam;
}

From source file:Main.java

/**
 * returns the index of the serached string from the array. If not found returns -1.
 * //ww w  .ja v  a 2 s.c o  m
 * @param strValues
 * @param strSearchedValue
 * @return
 */
public static int getIndex(ArrayList<String> alValues, String strSearchedValue) {

    // cycles on the vcalues of the array
    for (int j = 0; j < alValues.size(); j++) {

        // gets the j-th element
        String strVal = alValues.get(j);

        // if is the searched one, returns its index
        if (strVal.equals(strSearchedValue))
            return j;
    }

    // if arrives here, the searched value hasn't been found
    return -1;
}

From source file:Main.java

public static String[] getValueByGap(int max, int min, int gap) {

    ArrayList<String> list = new ArrayList<String>();
    for (int i = min; i <= max; i += gap) {
        list.add(String.valueOf(i));
    }/* w  w w  .j  a  v  a2 s .  co  m*/
    String[] s = new String[list.size()];
    return list.toArray(s);
}

From source file:hivemall.fm.FieldAwareFactorizationMachineUDTFTest.java

private static String[] toStringArray(ArrayList<StringFeature> x) {
    final int size = x.size();
    final String[] ret = new String[size];
    for (int i = 0; i < size; i++) {
        ret[i] = x.get(i).toString();//  w w w  .  j a  va  2 s .c o  m
    }
    return ret;
}

From source file:src.Piechart.java

private static PieDataset createDataset(ArrayList<String> ColumnNames, ArrayList<Double> Values) {
    DefaultPieDataset dataset = new DefaultPieDataset();

    for (int i = 0; i < ColumnNames.size(); i++) {
        dataset.setValue(ColumnNames.get(i), Values.get(i));
    }/* www  .j  a va 2s  . c o  m*/
    return dataset;
}

From source file:com.lucidtechnics.blackboard.util.Utility.java

public static ArrayList getAllTypes(ArrayList _searchDomainList, ArrayList _allTypesList) {
    for (int i = 0; i < _searchDomainList.size(); i++) {
        Class searchClass = (Class) _searchDomainList.get(i);
        _searchDomainList.remove(searchClass);

        Class superClass = searchClass.getSuperclass();

        if (superClass != null && (_allTypesList.contains(superClass) == false)) {
            _searchDomainList.add(superClass);
            _allTypesList.add(superClass);
        }//w  w  w. j a v a 2 s  . c  o m

        Class[] interfaceArray = searchClass.getInterfaces();

        if (interfaceArray != null) {
            for (int j = 0; j < interfaceArray.length; j++) {
                if (interfaceArray[j] != null && (_allTypesList.contains(interfaceArray[j]) == false)) {
                    _searchDomainList.add(interfaceArray[j]);
                    _allTypesList.add(interfaceArray[j]);
                }
            }
        }
    }

    if (_searchDomainList.isEmpty() == false) {
        _allTypesList = getAllTypes(_searchDomainList, _allTypesList);
    }

    return _allTypesList;
}

From source file:com.piusvelte.taplock.client.core.TapLock.java

protected static String[] getDeviceNames(ArrayList<JSONObject> devices) {
    String[] deviceNames = new String[devices.size()];
    int d = 0;//from   w w w  .j  a va  2 s . c  o m
    for (JSONObject device : devices) {
        try {
            deviceNames[d++] = device.getString(KEY_NAME);
        } catch (JSONException e) {
            Log.e(TAG, e.toString());
        }
    }
    return deviceNames;
}

From source file:Main.java

public static String toString(ArrayList<String> arrayList, String separator, int indexStart, int indexTo) {
    StringBuilder sb = new StringBuilder();

    for (int i = indexStart; i < arrayList.size(); i++) {
        if (i > indexTo) {
            continue;
        }//  ww  w  . ja  v  a  2s.c o m

        if (i > indexStart) {
            sb.append(separator);
        }

        sb.append(arrayList.get(i));
    }

    return sb.toString();
}

From source file:biblioteca.reportes.ChartCreator.java

public static DefaultPieDataset asignarPieDataset(ArrayList<String> Valores) {
    DefaultPieDataset dataSet = new DefaultPieDataset();
    int size = Valores.size();
    size = (size <= 32) ? size : 32;//from  w  ww.  j a  va  2  s  . c om
    for (int i = 2; i < size; i += 2) {
        dataSet.setValue(Valores.get(i), Double.parseDouble(Valores.get(i + 1)));
    }
    return dataSet;
}