Named Parameters Example

NamedParams.java

package example;

public class NamedParamsExample {
    public static void main(String... args) {
        foo("Bob", 29);
        foo(new FooParams(){{name="Bob"; age=30; }});
        foo(Foo.name("Bob").age(31));
    }

    static void foo(String name, Integer age) {
        System.out.println(name + " " + age);
    }

    public static class FooParams{String name; Integer age; }
    static void foo(FooParams params) {
        foo(params.name, params.age);
    }

    interface Foo { static Foo name(String named) { return aged -> new FooParams(){{name=named; age=aged;}}; } FooParams age(Integer aged); }

}