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

To view the source code for java.util ArrayList 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 int indexOf(Object o, ArrayList<Object> elementData) {
    if (o == null) {
        for (int i = 0; i < elementData.size(); i++)
            if (elementData.get(i) == null)
                return i;
    } else {//from  w w  w  .j ava  2  s . c  o m
        for (int i = 0; i < elementData.size(); i++)
            if (o.equals(elementData.get(i)))
                return i;
    }
    return -1;
}

From source file:Main.java

public static Node getNodeWithName(Node parent, String name) {
    ArrayList<Node> nodes = getNodesWithName(parent, name, false);
    if (nodes.size() < 1)
        return null;
    return nodes.get(0);
}

From source file:Main.java

public static double computeDistance(ArrayList<Double> d1, ArrayList<Double> d2) {
    double squareSum = 0;
    for (int i = 0; i < d1.size() - 1; i++) {
        squareSum += (d1.get(i) - d2.get(i)) * (d1.get(i) - d2.get(i));
    }/*from   w  w w . j a v  a 2 s.c  o  m*/
    return Math.sqrt(squareSum);
}

From source file:Main.java

public static String getCommaSeparatedStringFromArray(ArrayList list) {
    StringBuilder result = new StringBuilder();

    for (int i = 0; i < list.size(); i++) {
        result.append(list.get(i));/*from   w w w  .ja v a2 s.c  o m*/
        result.append(",");
    }

    return result.length() > 0 ? result.substring(0, result.length() - 1) : "";
}

From source file:Main.java

/**
 *//* www  .j a v a2 s  .  co m*/
public static Element getElement(String name, int index, Element parent) {
    ArrayList<Element> toReturn = getElementsByTag(name, parent);
    if (index > toReturn.size() - 1) {
        return null;
    }
    return toReturn.get(index);
}

From source file:Main.java

/**
 * Devuelve true si las dos ArrayList que se le pasan como parametro son
 * iguales./*w ww.  j  a  v a2  s .  com*/
 * 
 * @param n
 *            lista anterior
 * @param l
 *            lista actual
 * 
 * @return true si los ArrayList son iguales.
 */
public static boolean isEqualList(ArrayList n, ArrayList l) {
    if (n.size() != l.size()) {
        return false;
    }

    for (int i = 0; i < n.size(); i++) {
        if (l.get(i) != n.get(i)) {
            return false;
        }
    }

    return true;
}

From source file:Main.java

public static Element getChildElement(Element parent, String childName) {
    ArrayList<Element> childElements = getChildElements(parent, childName);
    return childElements.size() > 0 ? childElements.get(0) : null;
}

From source file:Main.java

public static ArrayList<Double> normalizeVector(ArrayList<Double> vector) {
    ArrayList<Double> returnValue = new ArrayList<>();

    if (vector.size() > 0) {
        Double first = vector.get(0);
        for (Double d : vector) {
            returnValue.add(d - first);/*  www. j a va 2  s.c  o m*/
        }
    }

    return returnValue;
}

From source file:Main.java

private static <T> boolean removeAllFromArrayList(ArrayList<T> collection, Collection<?> toRemove) {
    boolean result = false;
    for (int i = collection.size(); --i >= 0;)
        if (toRemove.contains(collection.get(i))) {
            collection.remove(i);/*from  www  . j a v  a  2s .c o m*/
            result = true;
        }
    return result;
}

From source file:Main.java

public static String getCommandList(ArrayList<String> commands) {
    if (commands == null || commands.size() == 0) {
        return "";
    }//from  ww w.j  ava  2 s.c o m

    StringBuilder sb = new StringBuilder();
    for (String commandPattern : commands) {
        String[] cmdSplit = commandPattern.split("~");
        if (cmdSplit.length != 3) {
            Log.e("DebugGhost", "Cannot read command pattern '" + commandPattern + "', skipping ...");
            continue;
        }

        if (cmdSplit[2].contains("[") == true && cmdSplit[2].contains("]") == true) {
            continue;
        }

        sb.append(
                "<button type=\"button\" style=\"margin-bottom: 5px;\" class=\"btn btn-default\" onclick=\"postCommand('/commands/");
        sb.append(cmdSplit[1]);
        sb.append("','");
        sb.append(cmdSplit[2]);
        sb.append("');\">");
        sb.append(cmdSplit[0]);
        sb.append("</button>");
    }

    return sb.toString();
}