A$+$ Computer Science $-$ OOP Worksheet $1$

DIRECTIONS : Fill in each blank with the correct answer$/$output$.$ Assume each statement happens

in order and that one statement may affect the next statement.

Some sections might print more than once.

class A

private int $x$;

public

$x=0$;

$\}$

$\}$

class

private int $x$;

public

$x=0$

$\}$

public String tostring$()\{$

return $""+$x;

$\}$

$\}$

class

private int $x$;

public C$()\{$

$x=0$

$\}$

public C$($int num$)\{$

$x=$ num;

$\}$

public String tostring$()\{$

return $""+$x;

$\}$

$\}$

$/////////////////////////////////////////$

$\frac{\frac{?}{?}}{?}$ runner code in the main of another class

A test $=$ new $A()$;

out.println $($test$)$;

$B$ runner $=$ new $B()$;

out.println $($runner$)$;

C tester $=$ new C $(56)$;

out.println $($tester$)$;

$(1)$

$(2)$

$(3)$