Java Language Tutorial => Class Structure

Example

Order of class members

Class members should be ordered as follows:

Fields (in order of public, protected and private)
Constructors
Factory methods
Other Methods (in order of public, protected and private)

Ordering fields and methods primarily by their access modifiers or identifier is not required.

Here is an example of this order:

class Example {

    private int i;

    Example(int i) {
        this.i = i;
    }

    static Example getExample(int i) {
        return new Example(i);
    }

    @Override
    public String toString() {
        return "An example [" + i + "]";
    }

}

Grouping of class members

Related fields should be grouped together.
A nested type may be declared right before its first use; otherwise it should be declared before the fields.
Constructors and overloaded methods should be grouped together by functionality and ordered with increasing arity. This implies that delegation among these constructs flow downward in the code.
Constructors should be grouped together without other members between.
Overloaded variants of a method should be grouped together without other members between.

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Fastest Entity Framework Extensions

Example

Order of class members

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