java8 : interface(default method, static method)

java8to11/src/java8interface/App.java

@@ -0,0 +1,13 @@
+package java8interface;
+
+public class App {
+
+    public static void main(String[] args) {
+        Foo foo = new Default("kim");
+
+        foo.printName();
+        foo.printNameUpperCase();
+
+        Foo.printHello();
+    }
+}