Constructors

AP Computer Science A· difficulty 4/5

<code> class Point { private int x, y; public Point(int x, int y) { this.x = x; this.y = y; } } </code> </pre> Why use <code> this. </code> ?

A
$Required by Java$
B
$Disambiguates between parameter <code> x </code> and field <code> x </code>$
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C
$For static methods$
D
$Optimizes performance$

Explanation

Without <code> this. </code>, both names refer to the parameter (shadowing).

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