1 public class FieldDotExpressions { main(String[] args)2 public static void main(String[] args) { 3 InnerClassFieldContainer.outerField.containerField.containerField.firstContainerMethod(); 4 InnerClassFieldContainer.InnerClass.innerField.containerField.containerField.secondContainerMethod(); 5 InnerClassFieldContainer.InnerClass.InnerInnerClass.InnerInnerInnerClass.innerInnerInnerField.thirdContainerMethod(); 6 } 7 } 8 9 class FieldContainer { 10 FieldContainer containerField = new FieldContainer(); firstContainerMethod()11 public String firstContainerMethod() { 12 return "firstContainerMethod()"; 13 } secondContainerMethod()14 public String secondContainerMethod() { 15 return "secondContainerMethod()"; 16 } thirdContainerMethod()17 public String thirdContainerMethod() { 18 return "thirdContainerMethod()"; 19 } 20 } 21 22 class InnerClassFieldContainer { 23 FieldContainer outerField = new FieldContainer(); 24 class InnerClass { 25 FieldContainer innerField = new FieldContainer(); 26 class InnerInnerClass { 27 FieldContainer innerInnerField = new FieldContainer(); 28 class InnerInnerInnerClass { 29 FieldContainer innerInnerInnerField = new FieldContainer(); 30 } 31 } 32 } 33 } 34