static features is part of a class, not individual instance of the class. : static « Modifiers « SCJP

1. SCJP
2. Modifiers
3. static

class MyClass {
  static int x = 0;

  MyClass() {
    x++;
  }
}

public class MainClass {
  public static void main(String[] argv) {

    System.out.println(MyClass.x);
  }
}

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