静态内部类

 

package cn.lxl.innerclass;
class StaticClass{
    private static int a=4;

    static class Inner{
        public void info(){
            System.out.println(a);
        }
    }
}
public class InnerTest1 {
    public static void main(String[] args){
        StaticClass.Inner inner=new StaticClass.Inner();
        inner.info();
    }

}