class??Outer{private???int??x=4;? static???class???Inner{int??x=1;public???void???function(){int??x=2;System.out.println("inner:"+x);}}void???method(){Inner???in=new???Inner();in.function();}}class?InnerClassDemo?{public??static??void??main(String[]???args){Outer????out=new???Outer();out.method();Outer.Inner???in?=?new????Outer().new???Inner();in.function();}}報錯信息說Outer.Inner???in?=?new????Outer().new???Inner();限定的新靜態類