What is the output of this program?

class Test { int a;

public int b;

private int c; }

class AcessTest {

public static void main(String args[])

{ Test ob = new Test();

ob.a = 10;

ob.b = 20;

ob.c = 30;

System.out.println(" Output :a, b, and c" + ob.a + " " + ob.b + " " + ob.c);

}

}