Java - Generate variable Length Stacktrace

Fail.java

public class Fail {
  public static void main(String[] args) {    
    recurse(Integer.parseInt(args[0]));
  }
  public static void recurse(int num) {
    if (num <= 1) {
      throw new RuntimeException("This is a stacktrace");
    }
    recurse(num-1);
  }
}