Java Primitive Type Create toPrimitive(Double[] doubles)

Description

to Primitive

License

Open Source License

Declaration

public static double[] toPrimitive(Double[] doubles) 

Method Source Code

//package com.java2s;
/**//from   w  w  w .  j av  a2s .  c  o m
 * Copyright (c) 2014-2015 by Wen Yu.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Any modifications to this file must keep this entire header intact.
 * 
 * Change History - most recent changes go on top of previous changes
 *
 * ArrayUtils.java
 *
 * Who   Date       Description
 * ====  =========  ======================================================================
 * WY    06Apr2015  Added reverse(byte[]) to reverse byte array elements
 * WY    06Jan2015  Added reverse() to reverse array elements
 * WY    10Dec2014  Moved reverseBits() from IMGUtils to here along with BIT_REVERSE_TABLE
 * WY    08Dec2014  Fixed bug for flipEndian() with more than 32 bit sample data 
 * WY    07Dec2014  Changed method names for byte array to other array types conversion
 * WY    07Dec2014  Added new methods to work with floating point TIFF images
 * WY    03Dec2014  Added byteArrayToFloatArray() and byteArrayToDoubleArray()
 * WY    25Nov2014  Added removeDuplicates() to sort and remove duplicates from int arrays
 * WY    12Nov2014  Changed the argument sequence for flipEndian()
 * WY    11Nov2014  Changed flipEndian() to include scan line stride to skip bits
 * WY    11Nov2014  Added toNBits() to convert byte array to nBits data unit
 * WY    28Oct2014  Added flipEndian() to work with TIFTweaker mergeTiffImagesEx()
 */

public class Main {
    public static double[] toPrimitive(Double[] doubles) {
        double[] dArray = new double[doubles.length];
        int i = 0;

        for (double d : doubles) {
            dArray[i++] = d;
        }

        return dArray;
    }

    public static float[] toPrimitive(Float[] floats) {
        float[] fArray = new float[floats.length];
        int i = 0;

        for (float f : floats) {
            fArray[i++] = f;
        }

        return fArray;
    }

    public static int[] toPrimitive(Integer[] integers) {
        int[] ints = new int[integers.length];
        int i = 0;

        for (int n : integers) {
            ints[i++] = n;
        }

        return ints;
    }

    public static long[] toPrimitive(Long[] longs) {
        long[] lArray = new long[longs.length];
        int i = 0;

        for (long l : longs) {
            lArray[i++] = l;
        }

        return lArray;
    }

    public static short[] toPrimitive(Short[] shorts) {
        short[] sArray = new short[shorts.length];
        int i = 0;

        for (short s : shorts) {
            sArray[i++] = s;
        }

        return sArray;
    }
}

Related

1. toPrimitive(Character[] in)
2. toPrimitive(Class aClass)
3. toPrimitive(Class clazz)
4. toPrimitive(Double[] array)
5. toPrimitive(Double[] array)
6. toPrimitive(Double[] vals)
7. toPrimitive(final Boolean b)
8. toPrimitive(final Character value, final char defaultValue)
9. toPrimitive(final Double[] arr)