Zend
200-550 · Question #121
200-550 Question #121: Real Exam Question with Answer & Explanation
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Question
In the following code, which classes can be instantiated? abstract class Graphics { abstract function draw($im, $col); } abstract class Point1 extends Graphics { public $x, $y; function __construct($x, $y) { $this->x = $x; $this->y = $y; } function draw($im, $col) { ImageSetPixel($im, $this->x, $this->y, $col); } } class Point2 extends Point1 { } abstract class Point3 extends Point2 { }
Options
- AGraphics
- BPoint1
- CPoint2
- DPoint3
- ENone, the code is invalid
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