UnsafePublic.java

class Holder {
  private int n;
  public Holder(int n) { this.n = n; }
  public void assertSanity() {
    if (n != n) {
      throw new AssertionError("This statement is false.");
    }
  }
}

class UnsafePublic {
  public Holder holder;

  public void initialize() {
    holder = new Holder(42);
  }
}