anonymous class, local class, inner class

Java Gold

interface SampleInterface {
    void method();
}
public class Outer {
    public static class InnerStatic {
        static int i1;
        static void method() {
            System.out.println("i am Inner class method of static");
        }
    }
    public class InnerInstance {
        int i1;
        void method() {
            System.out.println("i am Inner class method of instance");
        }
    }
    public static void main(String[] args) {

        class LocalClass {
            int i2;
            void method() {
            System.out.println("i am local class method");
            }
        }
        
        Outer.InnerStatic.method();

        Outer o = new Outer();
        InnerInstance ii = o.new InnerInstance();
        ii.method();
        
        LocalClass l1 = new LocalClass();
        l1.method();
        
        SampleInterface si = new SampleInterface() {
            @Override
            public void method() {
                System.out.println("i am anonymous class method");
            }
        };
        si.method();
    }
}

i am Inner class method of static
i am Inner class method of instance
i am local class method
i am anonymous class method