Example usage for java.lang Integer byteValue

Introduction

In this page you can find the example usage for java.lang Integer byteValue.

Prototype

public byte byteValue() 

Source Link

Document

Returns the value of this Integer as a byte after a narrowing primitive conversion.

Usage

From source file:Main.java

public static void main(String[] args) {
    Integer integerObject = new Integer("1234567");
    byte b = integerObject.byteValue();
    System.out.println("byte:" + b);

}

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From source file:UnboxingError.java

public static void main(String args[]) {

    Integer iOb = 1000; // autobox the value 1000 

    int i = iOb.byteValue(); // manually unbox as byte !!! 

    System.out.println(i); // does not display 1000 ! 
}

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From source file:Main.java

public static void main(String[] args) {
    Integer intObj = new Integer("10");
    byte b = intObj.byteValue();
    System.out.println(b);//from   w  w  w .  java  2 s .co  m

    short s = intObj.shortValue();
    System.out.println(s);

    int i = intObj.intValue();
    System.out.println(i);

    float f = intObj.floatValue();
    System.out.println(f);

    double d = intObj.doubleValue();
    System.out.println(d);
}

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From source file:Main.java

public static void main(String[] args) {
    Integer intObj = Integer.valueOf(100);

    // Gets byte from Integer
    byte b = intObj.byteValue();

    // Gets double from Integer
    double dd = intObj.doubleValue();
    System.out.println("intObj = " + intObj);
    System.out.println("byte from  intObj = " + b);
    System.out.println("double from  intObj = " + dd);

    // Creates a Double object
    Double doubleObj = Double.valueOf("123.45");

    // Gets different types of primitive values from Double
    double d = doubleObj.doubleValue();
    float f = doubleObj.floatValue();
    int i = doubleObj.intValue();
    long l = doubleObj.longValue();

    System.out.println("doubleObj = " + doubleObj);
    System.out.println("double from  doubleObj   = " + d);
    System.out.println("float from  doubleObj   = " + f);
    System.out.println("int from  doubleObj   = " + i);
    System.out.println("long from  doubleObj   = " + l);
}

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From source file:Main.java

public static Byte bytesToInt8(byte bytes[]) {

    Integer value = 0;

    for (int i = 0; (i < 1 && i < bytes.length); ++i) {
        value = value | ((bytes[i] & 0x000000FF) << 8 * i);
    }//from  w w  w . j a v a2  s.  c o  m

    return value.byteValue();
}

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From source file:org.demo.des3.DESUtils.java

public static byte[] getKeyByStr(String str) {
    byte bRet[] = new byte[str.length() / 2];
    for (int i = 0; i < str.length() / 2; i++) {
        Integer itg = new Integer(16 * getChrInt(str.charAt(2 * i)) + getChrInt(str.charAt(2 * i + 1)));
        bRet[i] = itg.byteValue();
    }/*  w ww  .  j  av a2 s .co  m*/
    return bRet;
}

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From source file:com.alliander.osgp.oslp.OslpUtils.java

/**
 * Converts an {@link Integer} to a {@link ByteString}.
 *
 * @param i/*from  w  w w. j av  a2  s .co  m*/
 *            the {@link Integer} to convert.
 * @return the {@link ByteString}.
 * @throws IllegalArgumentException
 *             thrown when i is null.
 */
public static ByteString integerToByteString(final Integer i) {
    if (i == null) {
        throw new IllegalArgumentException("Null cannot be converted to ByteString.");
    }

    return ByteString.copyFrom(new byte[] { i.byteValue() });
}

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From source file:com.cherong.mock.common.base.util.EncryptionUtil.java

/**
 * byte      ??//from   ww  w .j a  v a2 s.  c o m
 * 
 * @param str
 *            16
 * @return
 */
private static byte[] string2Byte(String str) {
    byte[] byt = new byte[str.length() / 2];
    for (int i = 0; i < byt.length / 2; i++) {
        Integer itg = new Integer(
                16 * BinaryUtil.hex2Decimal(str.charAt(2 * i)) + BinaryUtil.hex2Decimal(str.charAt(2 * i + 1)));
        byt[i] = itg.byteValue();
    }
    return byt;
}

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From source file:org.basdroid.common.NetworkUtils.java

public static byte[] getHexDecimalMacAddress(Context context, String macAddressString) {
    if (StringUtils.isEmptyString(macAddressString)) {
        return null;
    }//from w w w  .j  a  v a 2  s . co  m
    String[] macAddressParts = macAddressString.split(":");

    // convert hex string to byte values
    byte[] macAddressBytes = new byte[6]; // mac.length == 6 bytes
    for (int i = 0; i < macAddressParts.length; i++) {
        Integer hex = Integer.parseInt(macAddressParts[i], 16);
        macAddressBytes[i] = hex.byteValue();
    }

    return macAddressBytes;
}

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From source file:org.basdroid.common.NetworkUtils.java

public static byte[] getHexDecimalMacAddress(Context context) {
    String macAddress = getMacAddress(context);
    if (StringUtils.isEmptyString(macAddress)) {
        return null;
    }//from  w ww.  j a v a2  s.  c o  m
    String[] macAddressParts = macAddress.split(":");

    // convert hex string to byte values
    byte[] macAddressBytes = new byte[6]; // mac.length == 6 bytes
    for (int i = 0; i < macAddressParts.length; i++) {
        Integer hex = Integer.parseInt(macAddressParts[i], 16);
        macAddressBytes[i] = hex.byteValue();
    }

    return macAddressBytes;
}

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