Java Utililty Methods ThreadLocalRandom

long randomLongValue = ThreadLocalRandom.current().nextLong(maxValue);
return prefix + randomLongValue;

return baseFileName + "." + ThreadLocalRandom.current().nextLong(Long.MAX_VALUE);

return ThreadLocalRandom.current();

if (pcLikelihood < 0 || pcLikelihood > 100) {
    throw new IllegalArgumentException();
int pc = ThreadLocalRandom.current().nextInt(100 + 1);
return (pc > 0 && pc <= pcLikelihood);

double[] newPosition = new double[position.length];
for (int i = 0; i < position.length; i++) {
    newPosition[i] = position[i] + ThreadLocalRandom.current().nextDouble(-radius, radius);
return newPosition;

if (seedString == null || seedString.length() == 0)
    return ThreadLocalRandom.current().nextLong();
try {
    long j = Long.parseLong(seedString);
    if (j == 0L)
        throw new IllegalArgumentException("Zero (0) isn't a valid seed.");
    return j;
} catch (NumberFormatException numberformatexception) {
...

if (items.isEmpty()) {
    throw new IllegalArgumentException("Can't pick an item from zero items.");
final int rand = ThreadLocalRandom.current().nextInt(items.size());
int i = 0;
E result = null;
for (final E item : items) {
    if (i == rand) {
...

Random rand = ThreadLocalRandom.current();
int randomNum = rand.nextInt((max - min) + 1) + min;
return randomNum;

String str = "";
for (int i = 0; i < 20; i++) {
    str += String.valueOf((ThreadLocalRandom.current().nextInt(0, 9)));
return str;

return ThreadLocalRandom.current();