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== Noncompliant Code Example

----
class Parent {
  public static int counter;
}

class Child extends Parent {
  public Child() {
    Child.counter++;  // Noncompliant
  }
}
----

== Compliant Solution

----
class Parent {
  public static int counter;
}

class Child extends Parent {
  public Child() {
    Parent.counter++;
  }
}
----