this keyword usage

[saregg]

this can only be used within the context of an instance of a class. This
means, it is available in instance initializer blocks, constructors, instance
methods, and also within a class

is mentioned in the book. Other than instance initializer blocks, constructors, instance
methods, where can this be used inside a class

[admin]

class A{
int a=0;
int b = this.a; <--- here
}