How to use Stream generate method using Lamdba expression in Java 8 Example - JAVA Complete Reference by Examples

package com.learnbyexamples.streams;
 
import java.util.Arrays;
import java.util.stream.Stream;
 
 
/*
 * Program to generate 10 random numbers.
 * using Stream.generate method.
 */
public class E004_GenerateMethodInStream {
    public static void main(String[] args) {
        //Genereate a dynamic stream using generate and set the limit to 10.
        //generate(Supplier<T> -> T get())
        Stream<Double> randomNumbers = Stream.generate(Math::random).limit(10);
         
        //Convert stream into array.
        Double[] fiftyNumbers = randomNumbers.toArray(size -> new Double[size]);
         
        //Prints fiftyNumbers
        System.out.println(Arrays.toString(fiftyNumbers));
    }
}