// Demonstrate an inner class.

class Outer {
  private int outer_x = 100;

  void test() {
    Inner inner = new Inner();
    inner.display();
  }

  // this is an innner class
  class Inner {
    void display() {
      System.out.println("display: outer_x = " + outer_x);
    }
  }
}

public class InnerClassDemo1 {
  public static void main(String args[]) {
    Outer outer = new Outer();
    outer.test();
  }
}