Example usage for java.util Vector elementAt

Introduction

In this page you can find the example usage for java.util Vector elementAt.

Prototype

public synchronized E elementAt(int index)

Source Link

Document

Returns the component at the specified index.

Usage

From source file:Main.java

public static double norm(Vector<Double> l1, Vector<Double> l2) {
    assert (l1.size() == l2.size());

    double ans = 0.;
    for (int i = 0; i < l1.size(); ++i)
        ans += (l1.elementAt(i) - l2.elementAt(i)) * (l1.elementAt(i) - l2.elementAt(i));
    ans = Math.sqrt(ans);// w  ww.  j a v  a 2 s.  c  om

    return ans;
}

From source file:Main.java

public static Object[][] to2DArray(Vector<Vector> towDVector) {
    Object[][] towDArray = new Object[towDVector.size()][];
    for (int i = 0; i < towDVector.size(); i++) {
        Vector row = (Vector) towDVector.elementAt(i);

        towDArray[i] = row.toArray();//  w w  w.  ja  v  a 2  s .com
    }
    return towDArray;
}

From source file:Main.java

/**
 * Method getHashMapFromVector./* www  .  j a v a 2s  .  c o  m*/
 * @param vector Vector
 * @return HashMap
 */
public static HashMap getHashMapFromVector(Vector vector) {
    HashMap hashMap = new HashMap(vector.size());

    for (int i = 0; i < vector.size(); i++) {
        hashMap.put(vector.elementAt(i), vector.elementAt(i));
    }

    return hashMap;
}

From source file:Main.java

public static <K> K setElementAt(Vector<K> vec, int index, K value) {
    K retVal;/*from   ww w  .  java  2 s. co m*/
    if (vec.size() <= index) {
        vec.setSize(index + 10);
        retVal = null;
    } else
        retVal = vec.elementAt(index);
    vec.setElementAt(value, index);
    return retVal;
}

From source file:Main.java

public static void copyIntoVector(Vector paramVector1, int paramInt, Vector paramVector2) {
    int i = paramInt;
    try {//from w  w  w . jav  a2 s  .c  o  m
        while (i < paramVector1.size()) {
            paramVector2.insertElementAt(paramVector1.elementAt(i), i - paramInt);
            i++;
        }
        return;
    } finally {
    }
}

From source file:Main.java

/**
 * Method getHashtableFromVector./*from www .jav  a 2 s.c  om*/
 * @param vector Vector
 * @return Hashtable
 */
public static Hashtable getHashtableFromVector(Vector vector) {
    Hashtable hashtable = new Hashtable(vector.size());

    for (int i = 0; i < vector.size(); i++) {
        hashtable.put(vector.elementAt(i), vector.elementAt(i));
    }

    return hashtable;
}

From source file:Main.java

public static String getFieldName(Vector vtNameStack) {
    StringBuffer strFieldName = new StringBuffer();
    for (int iIndex = 0; iIndex < vtNameStack.size(); iIndex++) {
        strFieldName.append('.');
        strFieldName.append((String) vtNameStack.elementAt(iIndex));
    }//from  w w  w  . jav a2s .c o m
    if (strFieldName.length() > 0)
        strFieldName.delete(0, 1);
    return strFieldName.toString();
}

From source file:TreeViewBasedOnNode.java

private static void addNode(TreeItem parentItem, Node node) {
    TreeItem item = null;/*ww  w . j a v a 2s.  co  m*/
    if (parentItem == null)
        item = new TreeItem(tree, SWT.NONE);
    else
        item = new TreeItem(parentItem, SWT.NONE);

    item.setText(node.getName());

    Vector subs = node.getSubCategories();
    for (int i = 0; subs != null && i < subs.size(); i++)
        addNode(item, (Node) subs.elementAt(i));
}

From source file:Main.java

/**
 * @param first  First Integer Vector to be merged
 * @param second Second Integer Vector to be merged
 * @return single merged int array of first and second
 *//*from w w w. j a v a2 s.  co  m*/
public static int[] mergeIntegerVectorsInArray(Vector<Integer> first, Vector<Integer> second) {
    int resultLength = first.size() + second.size();
    int[] result = new int[resultLength];
    int i = 0;
    for (; i < first.size(); ++i) {
        result[i] = first.elementAt(i);
    }
    for (; i < resultLength; ++i) {
        result[i] = second.elementAt(i - first.size());
    }
    return result;
}

From source file:Main.java

static public Element[] findAllDescendantElements(Node e, String qname) {
    Vector v = new Vector();
    findAllDescendantElements(e, qname, v);
    Element array[] = new Element[v.size()];
    for (int i = 0; i < array.length; ++i) {
        array[i] = (Element) v.elementAt(i);
    }/*from w  ww  . j a  v a  2  s . c  o m*/
    return array;
}