集册 Java实例教程 转换为对象数组。

转换为对象数组。

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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转换为对象数组。

// Copyright (c) 2003-present, Jodd Team (jodd.org). All Rights Reserved./** 来 自 时 代 J     a    v  a - nowjava.com**/

import java.lang.reflect.Array;

import static jodd.util.StringPool.NULL;


public class Main{

    public static void main(String[] argv) throws Exception{

        byte[] array = new byte[]{34,35,36,37,37,37,67,68,69};

        System.out.println(java.util.Arrays.toString(valuesOf(array)));

    }

    /**

     * Converts to object array.

     */

    public static Byte[] valuesOf(byte[] array) {

        Byte[] dest = new Byte[array.length];

        for (int i = 0; i < array.length; i++) {

            dest[i] = Byte.valueOf(array[i]);

        }

        return dest;

    }

    /**

     * Converts to object array.

     */

    public static Character[] valuesOf(char[] array) {

        Character[] dest = new Character[array.length];/** 来 自 N o w J a v a . c o m - 时  代  Java**/

        for (int i = 0; i < array.length; i++) {

            dest[i] = Character.valueOf(array[i]);

        }

        return dest;

    }

    /**

     * Converts to object array.

     */

    public static Short[] valuesOf(short[] array) {

        Short[] dest = new Short[array.length];

        for (int i = 0; i < array.length; i++) {

            dest[i] = Short.valueOf(array[i]);

        }

        return dest;

    }

    /**

     * Converts to object array.

     */

    public static Integer[] valuesOf(int[] array) {

        Integer[] dest = new Integer[array.length];

        for (int i = 0; i < array.length; i++) {

            dest[i] = Integer.valueOf(array[i]);

        }

        return dest;

    }

    /**

     * Converts to object array.

     */

    public static Long[] valuesOf(long[] array) {

        Long[] dest = new Long[array.length];

        for (int i = 0; i < array.length; i++) {

            dest[i] = Long.valueOf(array[i]);

        }

        return dest;

    }

    /**

     * Converts to object array.

     */

    public static Float[] valuesOf(float[] array) {

        Float[] dest = new Float[array.length];

        for (int i = 0; i < array.length; i++) {

            dest[i] = Float.valueOf(array[i]);

        }

        return dest;

    }

    /**

     * Converts to object array.

     */

    public static Double[] valuesOf(double[] array) {

        Double[] dest = new Double[array.length];

        for (int i = 0; i < array.length; i++) {

            dest[i] = Double.valueOf(array[i]);

        }

        return dest;

    }

    /**

     * Converts to object array.

     */

    public static Boolean[] valuesOf(boolean[] array) {

        Boolean[] dest = new Boolean[array.length];

        for (int i = 0; i < array.length; i++) {

            dest[i] = Boolean.valueOf(array[i]);

        }

        return dest;

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(Object[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(String[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(byte[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(char[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(short[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(int[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(long[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(float[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(double[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Converts an array to string. Elements are separated by comma.

     * Returned string contains no brackets.

     */

    public static String toString(boolean[] array) {

        if (array == null) {

            return NULL;

        }

        StringBuilder sb = new StringBuilder();

        for (int i = 0; i < array.length; i++) {

            if (i != 0) {

                sb.append(',');

            }

            sb.append(array[i]);

        }

        return sb.toString();

    }

    /**

     * Appends an element to array.

     */

    public static <T> T[] append(T[] buffer, T newElement) {

        T[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>String</code> array.

     */

    public static String[] append(String buffer[], String newElement) {

        String[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>byte</code> array.

     */

    public static byte[] append(byte buffer[], byte newElement) {

        byte[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>char</code> array.

     */

    public static char[] append(char buffer[], char newElement) {

        char[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>short</code> array.

     */

    public static short[] append(short buffer[], short newElement) {

        short[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>int</code> array.

     */

    public static int[] append(int buffer[], int newElement) {

        int[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>long</code> array.

     */

    public static long[] append(long buffer[], long newElement) {

        long[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>float</code> array.

     */

    public static float[] append(float buffer[], float newElement) {

        float[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>double</code> array.

     */

    public static double[] append(double buffer[], double newElement) {

        double[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Appends an element to <code>boolean</code> array.

     */

    public static boolean[] append(boolean buffer[], boolean newElement) {

        boolean[] t = resize(buffer, buffer.length + 1);

        t[buffer.length] = newElement;

        return t;

    }

    /**

     * Resizes an array.

     */

    public static <T> T[] resize(T[] buffer, int newSize) {

        Class<T> componentType = (Class<T>) buffer.getClass()

                .getComponentType();

        T[] temp = (T[]) Array.newInstance(componentType, newSize);

        System.arraycopy(buffer, 0, temp, 0,

                buffer.length >= newSize ? newSize : buffer.length);

        return temp;

    }

    /**

     * Resizes a <code>String</code> array.

     */

    public static String[] resize(String buffer[], int newSize) {

        String temp[] = new String[newSize];

        System.arraycopy(buffer, 0, temp, 0,

                buffer.length >= newSize ? newSize : buffer.length);

        return temp;

    }

    /**

     * Resizes a <code>byte</code> array.

     */

    public static byte[] resize(byte buffer[], int newSize) {

        byte temp[] = new byte[newSize];

        System.arraycopy(buffer, 0, temp, 0,

                buffer.length >= newSize ? newSize : buffer.length);

        return temp;

    }

    /**

     * Resizes a <code>char</code> array.

     */

    public static char[] resize(char buffer[], int newSize) {

        char temp[] = new char[newSize];

        System.arraycopy(buffer, 0, temp, 0,

                buffer.length >= newSize ? newSize : buffer.length);

        
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