Java Utililty Methods List to Primitive Array

List of utility methods to do List to Primitive Array

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Description

The list of methods to do List to Primitive Array are organized into topic(s).

Method

long[]toPrimitiveLongArray(List l)
to Primitive Long Array 
long[] arr = new long[l.size()];
for (int i = 0; i < l.size(); i++) {
    arr[i] = l.get(i);
return arr;
long[]ToPrimitiveLongArray(List list)
To Primitive Long Array 
Iterator<Long> iterator = list.iterator();
long[] array = new long[list.size()];
for (int i = 0; i < array.length; i++) {
    array[i] = iterator.next();
return array;
int[]toPrimitives(List oInt)
to Primitives 
if (oInt == null) {
    return null;
return toPrimitives(oInt.toArray(new Integer[0]));