Question

How to use copySign() to get the first floating-point number with the sign of the second floating-point number in Java

Answer 1

class Program {
    public static void main(String[] args) {
        double x = 3.14;
        double y = -2;
 
        // public static double copySign(double magnitude, double sign)
        
        System.out.println(Math.copySign(x, y));
        System.out.println(Math.copySign(y, x));
    }
}
 
 
 
/*
run:
 
-3.14
2.0
 
*/

 

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Answer 2

class Program {
    public static void main(String[] args) {
        double num = Math.copySign(-73.91f, 345.901f);
         
        System.out.println(num);
    }
}
  
  
  
/*
run:
  
73.91000366210938
  
*/

 

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