Radix Sort Class
public class RadixSortImpl extends SortImpl{
public void sort(int[] array) {
if(!sizeValid(array))
return;
int m = 0, exp = 1;
for(int i = 0; i < array.length; i++)
{
m = Math.max(m, array[i]);
}
int[] b = new int[array.length];
while(m/exp != 0)
{
int[] bucket = new int[10];
for(int i = 0; i < array.length; i++)
{
bucket[(array[i]/exp)%10]++;
}
for(int i = 1; i < bucket.length;i++)
{
bucket[i] += bucket[i-1];
}
for(int i = array.length - 1; i >= 0; i--)
{
b[--bucket[(array[i]/exp)%10]] = array[i];
}
for(int i = 0; i < array.length; i++)
{
array[i] = b[i];
}
exp*=10;
}
}
}