package one;public class DeltaOne {    public static void main(String[] args) {        Alpha a = new Alpha();      //a.privateMethod();    //illegal        a.packageMethod();    //legal        a.protectedMethod();  //legal        a.publicMethod();     //legal      //System.out.format("privateVariable:  %2d%n",      //    a.privateVariable);    //illegal        System.out.format("packageVariable:  %2d%n",            a.packageVariable);    //legal        System.out.format("protectedVariable: %2d%n",            a.protectedVariable); //legal        System.out.format("publicVariable: %2d%n",            a.publicVariable);    //legal    }}