ThisFieldGetters.java

class Test {

  private int count1;
  private int count2;

  public void test() {
    int oldCount1 = getCount1();
    int oldCount2 = getCount2();
    count1++;
    if (oldCount1 != getCount1() || oldCount2 != getCount2()) {
      System.out.println("changed");
    }
  }

  private int getCount1() {
    return count1;
  }

  private int getCount2() {
    return count2;
  }

}