import scala.reflect.runtime.universe._
import scala.reflect.runtime.{currentMirror => cm}

object Test extends App {
  val plus = typeOf[java.lang.String].member(newTermName("$plus")).asMethod
  println(cm.reflect("").reflectMethod(plus).apply("2"))
}

java.lang.NoSuchMethodException: java.lang.String.$plus(java.lang.Object)
        at java.lang.Class.getDeclaredMethod(Class.java:1937)
        at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$methodToJava$1.apply(JavaMirrors.scala:1023)
        at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$methodToJava$1.apply(JavaMirrors.scala:1016)
        at scala.reflect.runtime.TwoWayCache.toJava(TwoWayCache.scala:49)
        at scala.reflect.runtime.JavaMirrors$JavaMirror.methodToJava(JavaMirrors.scala:1016)
        at scala.reflect.runtime.JavaMirrors$JavaMirror$JavaMethodMirror.jmeth$lzycompute(JavaMirrors.scala:236)
        at scala.reflect.runtime.JavaMirrors$JavaMirror$JavaMethodMirror.jmeth(JavaMirrors.scala:235)
        at scala.reflect.runtime.JavaMirrors$JavaMirror$JavaMethodMirror.apply(JavaMirrors.scala:249)
        at Test$delayedInit$body.apply(Test.scala:6)
        at scala.Function0$class.apply$mcV$sp(Function0.scala:40)
        at scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
        at scala.App$$anonfun$main$1.apply(App.scala:61)
        at scala.App$$anonfun$main$1.apply(App.scala:61)
        at scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:59)
        at scala.collection.immutable.List.foreach(List.scala:78)
        at scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:32)
        at scala.collection.mutable.ListBuffer.foreach(ListBuffer.scala:45)
        at scala.App$class.main(App.scala:61)
        at Test$.main(Test.scala:4)
        at Test.main(Test.scala)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at scala.tools.nsc.util.ScalaClassLoader$$anonfun$run$1.apply(ScalaClassLoader.scala:71)
        at scala.tools.nsc.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:31)
        at scala.tools.nsc.util.ScalaClassLoader$URLClassLoader.asContext(ScalaClassLoader.scala:139)
        at scala.tools.nsc.util.ScalaClassLoader$class.run(ScalaClassLoader.scala:71)
        at scala.tools.nsc.util.ScalaClassLoader$URLClassLoader.run(ScalaClassLoader.scala:139)
        at scala.tools.nsc.CommonRunner$class.run(ObjectRunner.scala:28)
        at scala.tools.nsc.ObjectRunner$.run(ObjectRunner.scala:45)
        at scala.tools.nsc.CommonRunner$class.runAndCatch(ObjectRunner.scala:35)
        at scala.tools.nsc.ObjectRunner$.runAndCatch(ObjectRunner.scala:45)
        at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:70)
        at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:92)
        at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:101)
        at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)