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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.util.stream.*;
  5. import java.lang.*;
  6. import java.io.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. static void poop(String ...s) {
  12. Arrays.stream(s).forEach(System.out::println);
  13. }
  14. public static void main (String[] args) throws java.lang.Exception
  15. {
  16. poop("one element");
  17. String[] p = { "header" };
  18. String[] b = { "one", "two", "three" };
  19. String[] r = Stream.concat(Arrays.stream(p), Arrays.stream(b))
  20. .toArray(String[]::new);
  21. System.out.println(Arrays.toString(r));
  22. }
  23. }
Success #stdin #stdout 0.2s 33608KB
stdin
Standard input is empty
stdout
one element
[header, one, two, three]