静态导入，可以静态导入成员变量和方法

//静态导入，可以静态导入成员变量和方法

import static com.shengsiyuan.common.Common.AGE;

import static com.shengsiyuan.common.Common.output;

public class StaticImportTest

{

       public static void main(String[] args)

       {

              int a = AGE;

              System.out.println(a);

              output();

       }

}

public class Common

{

       public static final int AGE = 10;

       public static void output()

       {

              System.out.println("hello world");

       }

}