You can observe the constructor chain for the inner class when you extend an inner class . so you can see that you are able to call the super constructor of your nested class passing to that constructor the MainClass , and calling . super on mainClass object instance.13 Nis 2012
Read moreHow do you create an inner class constructor in Java?
Accessing the Private Members To instantiate the inner class, initially you have to instantiate the outer class. Thereafter, using the object of the outer class , following is the way in which you can instantiate the inner class.
Read moreWhen should I use inner class in Java?
Use a non-static nested class (or inner class) if you require access to an enclosing instance’s non-public fields and methods . Use a static nested class if you don’t require this access.
Read moreWhat is a POJO example?
POJO class is used to define the object entities. For example, we can create an Employee POJO class to define its objects. Below is an example of Java POJO class: Employee.
Read moreWhat are the POJO classes?
POJO classes It is an ordinary Java object , not bound by any special restriction other than those forced by the Java Language Specification and not requiring any classpath. POJOs are used for increasing the readability and re-usability of a program.
Read moreWhat are the 2 Java inner classes?
Types of Inner Classes
Read moreWhere do you put inner classes?
I would declare inner-classes in the bottom of the file – usually you’re not interested in their implementations and just want to get to your main class’ methods, so they shouldn’t get in the way.
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