// Trace2 Example.

// Draw the reference diagram, trace the instance
// variable changes and predict the output.

public class C
{
    private int x;
    protected int y;

    public C( )
    {
        x = 10;
        y = 20;
    }

    public C(int theValue)
    {
        x = 2 * theValue;
        y = 3 * theValue;
    }

    public int f( )
    {
        x += 2;
        return x + 3;
    }

    public int g( )
    {
        y += 3;
        return y + 5;
    }

    public String toString( )
    {
        return String.valueOf(x + y);
    }
}