package com.jvm.bytecode;

import java.lang.invoke.MethodHandle;

import java.lang.invoke.MethodHandles;

import java.lang.invoke.MethodType;

/**

* @ClassName Foo

* @Author chenzhuo

* @Version 1.0

* @Date 2019-07-28 21:28

**/

public class Foo {

public void print(String s) {

System.out.println("hello :" + s);

}

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

Foo foo = new Foo();

System.out.println(void.class.getClassLoader());

MethodType methodType = MethodType.methodType(void.class,String.class);

MethodHandle methodHandle = MethodHandles.lookup().

findVirtual(Foo.class, "print", methodType);

methodHandle.invokeExact(foo, "world");

}

}