public class Circle

$\{$

private double radius;

public Circle $($double radius$)$

$\{$

radius $=$ radius;

$\}$

$\}$

Which of the following is true about the code in class Circle above:

Group of answer choices

The assignment statement in the constructor should be

this.radius $=$ radius;

The assignment statement in the constructor should be

radius $=$ radius.this;

The assignment statement in the constructor should be

radius.this $=$ radius;

The assignment statement in the constructor should be

radius $=$ this.radius;