构造器引用和直接用new创建对象区别

package cn.lonecloud;

/**
 * @author lonecloud
 * @version v1.0
 * @date 上午11:22 2018/4/30
 */
public class RefDemo {

    static class Demo implements Runnable {

        @Override
        public void run() {
            System.out.println("run");
        }
    }

    public static void main(String[] args) {
        Runnable runnable = Demo::new;//构造器引用　　
　　　　　runable.run()
        System.out.println(runnable);
        Runnable demo=new Demo();//直接创建对象
　　　　　demo.run()
        System.out.println(demo);
    }
}

cn.lonecloud.RefDemo$$Lambda$1/793589513@7291c18f
cn.lonecloud.RefDemo$Demo@34a245ab

javap -c RefDemo

public class cn.lonecloud.RefDemo {
  public cn.lonecloud.RefDemo();
    Code:
       0: aload_0
       1: invokespecial #1                  // Method java/lang/Object."<init>":()V//一系列加载动作
       4: return

  public static void main(java.lang.String[]);
    Code:
       0: invokedynamic #2,  0              // InvokeDynamic #0:run:()Ljava/lang/Runnable;//构造器引用，没有new对象？？？？
       5: astore_1
       6: getstatic     #3                  // Field java/lang/System.out:Ljava/io/PrintStream;
       9: aload_1
      10: invokevirtual #4                  // Method java/io/PrintStream.println:(Ljava/lang/Object;)V//打印语句
      13: new           #5                  // class cn/lonecloud/RefDemo$Demo//new创建对象
      16: dup
      17: invokespecial #6                  // Method cn/lonecloud/RefDemo$Demo."<init>":()V//执行初始化
      20: astore_2
      21: getstatic     #3                  // Field java/lang/System.out:Ljava/io/PrintStream;
      24: aload_2
      25: invokevirtual #4                  // Method java/io/PrintStream.println:(Ljava/lang/Object;)V//打印
      28: return
}