Java Collection to Array toByteArray(Collection c)

Description

to Byte Array

License

Open Source License

Declaration

public static byte[] toByteArray(Collection<? extends Number> c) 

Method Source Code

//package com.java2s;
/**//from w  w  w .  j av a  2 s  .  com
 * JLibs: Common Utilities for Java
 * Copyright (C) 2009  Santhosh Kumar T <santhosh.tekuri@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 */

import java.util.*;

public class Main {
    public static byte[] toByteArray(Collection<? extends Number> c) {
        byte arr[] = new byte[c.size()];
        int i = 0;
        for (Number item : c)
            arr[i++] = item.byteValue();
        return arr;
    }
}

Related

1. toArray(T arrayOrCollection)
2. toArrayInt(Collection integerCollection)
3. toArrays(Collection strings)
4. toArrayString(Collection col, boolean spacing)
5. toBaseTypedCollection(Collection initial)
6. toByteArray(Collection c)
7. toCharArray(Collection source)
8. toCharArray(Collection patterns)
9. toClassArray(Collection> collection)