abstract

package ch.claude_martin;

import java.lang.reflect.Modifier;

public class SomeClass {

  static abstract class MyAbstractClass {
    @Override
    public String toString() {
      return "Hello!";
    }
  }

  static interface MyInterface {
    default int foo() {
      return 42;
    }
  }

  public static void main(String[] args) throws Throwable {

    MyAbstractClass instance = new MyAbstractClass() {
    };

    System.out.println(instance);

    int modifiers = MyInterface.class.getMethod("foo").getModifiers();
    boolean isAbstract = Modifier.isAbstract(modifiers);
    if (isAbstract)
      System.out.println("foo is abstract");
    else
      System.out.println("foo is not abstract");

  }
}