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  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. // your code goes here
  13.  
  14. Scanner entrada = new Scanner(System.in);
  15. char letra;
  16.  
  17.  
  18. System.out.print("Digite una cadena: ");
  19. letra = entrada.next().charAt(0);
  20.  
  21. System.out.print("El caracter es: "+letra);
  22. }
  23. }
Runtime error #stdin #stdout #stderr 0.06s 2184192KB
stdin
Standard input is empty
stdout
Digite una cadena: 
stderr
Exception in thread "main" java.util.NoSuchElementException
	at java.util.Scanner.throwFor(Scanner.java:862)
	at java.util.Scanner.next(Scanner.java:1371)
	at Ideone.main(Main.java:19)