How to use static variable as Global variable

package sample;

/**
 *
 * @author A.Subash
 */
public class sample2
 {
    static int a=5,b=6,c;

    public static void main(String ags[])
    {
        c=a+b;
        System.out.println("Sum="+c);
    }
}

/*
o/p:
Sum=11
*/