Java | Constructors | Question 6
final class Complex { private double re, im; public Complex( double re, double im) { this .re = re; this .im = im; } Complex(Complex c) { System.out.println( "Copy constructor called" ); re = c.re; im = c.im; } public String toString() { return "(" + re + " + " + im + "i)" ; } } class Main { public static void main(String[] args) { Complex c1 = new Complex( 10 , 15 ); Complex c2 = new Complex(c1); Complex c3 = c1; System.out.println(c2); } } |
(A)
Copy constructor called (10.0 + 15.0i)
(B)
Copy constructor called (0.0 + 0.0i)
(C)
(10.0 + 15.0i)
(D)
(0.0 + 0.0i)
Answer: (A)
Explanation:
Quiz of this Question