public class OuterClass {

  int outerClassField;
  InnerClass ic;

  public OuterClass(int field) {
    outerClassField = field;
    ic = new InnerClass(field*2);
  }
  
  class InnerClass {
    int innerClassField;
    
    public InnerClass(int field) {
      innerClassField = field;
    }
  }
  
  public String toString() {
    return "outerClassField: "+outerClassField+", innerClassField: "+ic.innerClassField;
  }
  
  public static void main(String []args) {
    OuterClass outer = new OuterClass(10);
    System.out.println(outer);
  }  
}