DoubleStream generate() method in Java
DoubleStream generate(DoubleSupplier s) returns an infinite sequential unordered stream where each element is generated by the provided DoubleSupplier(a supplier of double-valued results). This is suitable for generating constant streams, streams of random elements, etc.
Syntax :
static DoubleStream generate(DoubleSupplier s)
Parameters :
- DoubleStream : a sequence of primitive double-valued elements.
- DoubleSupplier : a supplier of double-valued elements.
- s : DoubleSupplier for generated elements.
Return Value : a new infinite sequential unordered DoubleStream.
Example 1 : To generate stream of random doubles.
// Java code for DoubleStream.generate() // to generate an infinite sequential // unordered DoubleStream import java.util.*; import java.util.stream.DoubleStream; class GFG { // Driver code public static void main(String[] args) { // using DoubleStream.generate() method // to generate 7 random Double values DoubleStream stream = DoubleStream.generate(() -> { return (double)(Math.random() * 10000); }); // Displaying the randomly generated values stream.limit(7).forEach(System.out::println); } } |
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Output:
2428.4470875214092 1339.9762523410686 302.44560518440267 9004.604086737152 3627.071411231598 2865.762726856176 4029.711939243109
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