fork download 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.stream.Stream;
  7.  
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		Stream<String> s = Stream.of("A", "B");
  13. 		s.map(String::toUpperCase);
  14. 		s.map(String::toLowerCase);
  15. 	}
  16. }
Runtime error #stdin #stdout #stderr 0.22s 33548KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Exception in thread "main" java.lang.IllegalStateException: stream has already been operated upon or closed
	at java.util.stream.AbstractPipeline.<init>(AbstractPipeline.java:203)
	at java.util.stream.ReferencePipeline.<init>(ReferencePipeline.java:94)
	at java.util.stream.ReferencePipeline$StatelessOp.<init>(ReferencePipeline.java:618)
	at java.util.stream.ReferencePipeline$3.<init>(ReferencePipeline.java:187)
	at java.util.stream.ReferencePipeline.map(ReferencePipeline.java:186)
	at Ideone.main(Main.java:14)
https://ideone.com/naR7GB
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!