Example usage for java.util Arrays fill

Introduction

In this page you can find the example usage for java.util Arrays fill.

Prototype

public static void fill(Object[] a, Object val)

Source Link

Document

Assigns the specified Object reference to each element of the specified array of Objects.

Usage

From source file:Main.java

public static Boolean[][] getEmptyMatrix(int sizeX, int sizeY) {
    Boolean[][] matrix = new Boolean[sizeX][sizeY];
    if (sizeX > 0) {
        for (int i = 0; i < matrix.length; i++) {
            Arrays.fill(matrix[i], false);
        }/*from www.  j  a va 2  s. com*/
    }

    return matrix;
}

From source file:Main.java

public static double[] planckTaperWindow(int length, double e) {
    if (length < 1 || e <= 0 || e >= 0.5f) {
        return null;
    }/*www  . ja  v a  2 s  .c o  m*/
    double[] planckTaperWindow = new double[length];
    Arrays.fill(planckTaperWindow, 1);
    planckTaperWindow[0] = 0;
    planckTaperWindow[length - 1] = 0;
    for (int i = 1; i < e * (length - 1); i++) {
        double za = e * (length - 1) * (1.0f / i + 1.0f / (i - e * (length - 1)));
        planckTaperWindow[i] = 1.0f / (Math.exp(za) + 1);
    }
    for (int i = (int) (1 - e) * (length - 1); i < length - 1; i++) {
        double zb = e * (length - 1) * (1.0f / (length - 1 + i) + 1.0f / ((1 - e) * (length - 1) * (i)));
        planckTaperWindow[i] = 1.0f / (Math.exp(zb) + 1);
    }
    return planckTaperWindow;
}

From source file:Main.java

public static byte[] createPinEncryption(String pin, String pan) {
    byte[] decryption = new byte[8];
    byte[] bytePin = new byte[8];
    byte[] bytePan = new byte[8];
    Arrays.fill(bytePin, (byte) 0xFF);
    Arrays.fill(bytePan, (byte) 0x00);

    byte[] srcPin = HexStringToByteArray(pin);
    byte[] srcPan = HexStringToByteArray(pan);

    bytePin[0] = 0x06;/*from   w  ww.j ava2  s .c om*/
    System.arraycopy(srcPin, 0, bytePin, 1, srcPin.length);
    System.arraycopy(srcPan, 2, bytePan, 2, srcPan.length - 2);

    for (int i = 0; i < 8; i++) {
        decryption[i] = (byte) (bytePin[i] ^ bytePan[i]);
    }

    return decryption;
}

From source file:Main.java

/**
 * Fill the given array with the given value
 * @param <T> Type of array elements
 * @param array array to fill//from w w  w  . j  av a 2 s. co  m
 * @param value value to use
 * @return filled array
 */
public static <T> T[] fill(final T[] array, final T value) {
    Arrays.fill(array, value);
    return array;
}

From source file:Main.java

public static byte[] repeat(byte b, int nrRepeats) {
    byte[] result = new byte[nrRepeats];
    Arrays.fill(result, b);
    return result;
}

From source file:Main.java

public static String byteToString(byte[] data) {
    int index = data.length;
    for (int i = 0; i < data.length; i++) {
        if (data[i] == 0) {
            index = i;/*from  ww w . j a  va 2 s . c  o m*/
            break;
        }
    }
    byte[] temp = new byte[index];
    Arrays.fill(temp, (byte) 0);
    System.arraycopy(data, 0, temp, 0, index);
    String str;
    try {
        str = new String(temp, "GBK");
    } catch (UnsupportedEncodingException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
        return "";
    }
    return str;
}

From source file:Main.java

static String rjust(String string, char padding, int length) {
    if (string == null) {
        return null;
    }//  w  w  w .  ja  v a2 s  .c  o m

    int paddingNum = length - string.length();
    if (paddingNum < 1) {
        return string;
    }

    char[] pads = new char[paddingNum];
    Arrays.fill(pads, padding);

    return new String(pads) + string;
}

From source file:Main.java

public static Class[] params(Class cls1, Class clsFill, int times) {
    Class[] classes = new Class[times + 1];
    Arrays.fill(classes, clsFill);
    classes[0] = cls1;/*  w w w. j a va 2 s .com*/
    return classes;
}

From source file:Main.java

public static byte[] calMacCode(byte[] mak, byte[] src) {
    int srcLen = src.length;
    int m_len = srcLen % 8;
    int count = srcLen + (m_len == 0 ? m_len : (8 - m_len));

    byte[] calData = new byte[count];
    byte[] _data8 = new byte[8];
    Arrays.fill(calData, (byte) 0);
    Arrays.fill(_data8, (byte) 0);
    System.arraycopy(src, 0, calData, 0, srcLen);
    System.arraycopy(calData, 0, _data8, 0, 8);

    for (int i = 1; i < count / 8; i++) {
        for (int j = 0; j < 8; j++) {
            _data8[j] = (byte) (_data8[j] ^ calData[i * 8 + j]);
        }//w  w  w. j av a 2  s. com
    }

    return TriDesEncryption(mak, _data8);
}

From source file:Main.java

@NonNull
private static Drawable getRippleMask(int color) {
    float[] outerRadii = new float[8];
    // 3 is radius of final ripple,
    // instead of 3 you can give required final radius
    Arrays.fill(outerRadii, 3);

    RoundRectShape r = new RoundRectShape(outerRadii, null, null);
    ShapeDrawable shapeDrawable = new ShapeDrawable(r);
    shapeDrawable.getPaint().setColor(color);

    return shapeDrawable;
}