Java Streams - LongStream min() example








LongStream min() returns an OptionalLong describing the minimum element of this stream, or an empty optional if this stream is empty.

Syntax

min has the following syntax.

OptionalLong min()

Example

The following example shows how to use min.

import java.util.OptionalLong;
import java.util.stream.LongStream;
/*  w w w .  j a  v a2s  .  co  m*/
public class Main {
  public static void main(String[] args) {
    LongStream b = LongStream.of(1L, 2L, Long.MAX_VALUE, Long.MIN_VALUE);
    OptionalLong o = b.min();
    
    if(o.isPresent()){
      System.out.println(o.getAsLong()); 
    }else{
      System.out.println("no value");
    }
  }
}

The code above generates the following result.