Java Collection to Array toArray(final Collection collection)

Description

to Array

License

Open Source License

Declaration

public static int[] toArray(final Collection<Integer> collection) 

Method Source Code

//package com.java2s;
import java.util.Collection;

public class Main {
    public static int[] toArray(final Collection<Integer> collection) {
        if (collection == null || collection.isEmpty()) {
            return new int[0];
        }//from   w ww .  j a v a  2  s .com
        final int[] result = new int[collection.size()];
        int index = 0;
        for (final Integer integer : collection) {
            result[index] = integer.intValue();
            index++;
        }
        return result;
    }
}

Related

1. toArray(Collection c, T[] sample)
2. toArray(Collection collection)
3. toArray(Collection list, Object[] type)
4. toArray(final Collection c)
5. toArray(final Collection coll, byte[] array)
6. toArray(final Collection collection)
7. toArray(java.util.Collection collection)
8. toArray(T arrayOrCollection)
9. toArrayInt(Collection integerCollection)