Example usage for java.util ArrayList size

List of usage examples 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 String[] stringListToArray(ArrayList<String> list) {
    String string[] = new String[list.size()];
    for (int i = 0; i < string.length; i++) {
        string[i] = list.get(i);/*www.j ava 2s  .  co  m*/
    }
    return string;
}

From source file:Main.java

public static long[] buildLongArray(ArrayList<Long> longList) {
    long[] longArray = new long[longList.size()];
    int i = 0;/*from w  ww . j a v  a  2 s .c om*/
    for (Long l : longList) {
        longArray[i++] = l;
    }
    return longArray;
}

From source file:Main.java

public static String[] intToString(ArrayList<Integer> list) {
    String string[] = new String[list.size()];
    for (int i = 0; i < string.length; i++) {
        string[i] = Integer.toString(list.get(i));
    }/*from  w ww  .jav a  2  s . co m*/
    return string;
}

From source file:Main.java

public static int[] CountElmt(ArrayList<Integer> newScores1, ArrayList<Integer> scores) {
    int a[] = new int[scores.size()];
    for (int i = 0; i < scores.size(); i++) {
        a[i] = 0;/* w w  w  .  j  a  v  a2 s.c  o m*/
    }
    for (int i = 0; i < newScores1.size(); i++) {
        int value = newScores1.get(i);
        int pos = scores.indexOf(value);
        a[pos]++;
    }
    return a;
}

From source file:Main.java

private static String[] toStringArray(ArrayList<String> arrayList) {
    String[] ret = new String[arrayList.size()];
    for (int i = 0; i < ret.length; i++) {
        ret[i] = arrayList.get(i);/*from ww w.  java 2s  .  c om*/
    }
    return ret;
}

From source file:Main.java

public static float[] toFloatArray(ArrayList<Float> arraylist) {
    float[] tmp = new float[arraylist.size()];
    int i = 0;// w  w w. ja v a  2  s  . c o  m
    for (float f : arraylist) {
        tmp[i] = f;
        i++;
    }
    return tmp;
}

From source file:Main.java

public static float[] toFloatArray(ArrayList<Float> floats) {
    float returner[] = new float[floats.size()];

    for (int i = 0; i < returner.length; i++) {
        returner[i] = floats.get(i);/*from   w ww.  j a  v a  2  s  . co  m*/
    }

    return returner;
}

From source file:Main.java

public static String getNoCommandsAlert(ArrayList<String> commands) {
    if (commands == null || commands.size() == 0) {
        String warn = "<div class=\"alert alert-warning\" role=\"alert\">\n"
                + "    <strong>No Commands listed</strong><br />\n"
                + "    Have a look at the left panel to learn see to add commands" + "</div>";
        return warn;
    }//w  w  w .  j  ava 2s.  co  m
    return "";
}

From source file:Main.java

static public double[] toDoubleArray(ArrayList list) {
    double[] result = new double[list.size()];

    for (int i = 0; i < list.size(); i++) {
        Number n = (Number) list.get(i);
        result[i] = n.doubleValue();//from  ww  w.java 2  s .  com
    }

    return result;
}

From source file:Main.java

public static double[][] toArray(ArrayList<ArrayList<Double>> a) {
    int dataDimen = a.size();
    double[][] res = new double[dataDimen][dataDimen];

    for (int i = 0; i < dataDimen; i++) {
        for (int j = 0; j < dataDimen; j++) {
            res[i][j] = a.get(i).get(j);
        }/*from w ww  .  ja v a2s  .c o  m*/
    }

    return res;
}