class Test1 {   
    int a;
    public int b; 
    private int c; 
    void setc(int i) { 
        c = i;
    }
    int getc() { 
        return c;
    }
}
class Test2 {
    public static void main(String args[]) {
        Test1 object = new Test1();
        object.a = 10;
        object.b = 20;
        // object.c = 100; // Error!
        object.setc(100);
        System.out.println("a,b,and c: " + object.a + " " +object.b + " " + object.getc());
    }
}
