gistfile1.txt

import java.util.Arrays;
import java.util.List;
import java.util.Random;

public class Test {

  public static void main(String[] args) {
    List<String> stringList = Arrays.asList("a", "b", "c", "d", "e", "f", "g", "h");
    String s = pickRandom(stringList);

    List<Integer> intList = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8);
    int n = pickRandom(intList);

    System.out.println(s + n);
  }
  
  public static <T> T pickRandom(List<T> list) {
    Random rnd = new Random();
    return list.get(rnd.nextInt(list.size()));
  } 

}