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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[]){
  11.  
  12.          final String[] puzzle1 = new String[] {"1" , "2" , "3" , "4" , "?" };
  13.          final String[] puzzle2 = new String[] { "1" , "3" , "5" , "7" , "?"};
  14.          final String[] puzzle3 = new String[] { "1" , "3" , "5" , "7" , "?"};
  15.          final String[] puzzle4 = new String[] { "1" , "3" , "5" , "7" , "?"};
  16.          final String[] puzzle5 = new String[] { "1" , "3" , "5" , "7" , "?"};
  17.  
  18.  
  19.          final String[][] select = new String[][] { puzzle1 , puzzle2 , puzzle3 , puzzle4 , puzzle5};
  20.  
  21.                     Random rand = new Random();
  22.             int selectedString = rand.nextInt(select.length);   
  23.             String selectedPuzzle = select[selectedString][selectedString];
  24.             System.out.print(selectedPuzzle );
  25.  
  26.     }
  27. }
Success #stdin #stdout 0.08s 380160KB
comments (?)
stdin 
Standard input is empty
stdout 
1
https://ideone.com/7nTbAF
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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