fork download
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. List<String> lista = Arrays.asList("Ala", "ma", "kota");
  13. System.out.println(lista);
  14. lista.set(2, "AIDS");
  15. System.out.println(lista);
  16. lista.add("!");
  17. }
  18. }
Runtime error #stdin #stdout #stderr 0.06s 32460KB
stdin
Standard input is empty
stdout
[Ala, ma, kota]
[Ala, ma, AIDS]
stderr
Exception in thread "main" java.lang.UnsupportedOperationException
	at java.base/java.util.AbstractList.add(AbstractList.java:153)
	at java.base/java.util.AbstractList.add(AbstractList.java:111)
	at Ideone.main(Main.java:16)