float to double (#5118)

core-java/src/main/java/com/baeldung/linesintersection/LinesIntersectionService.java

@@ -5,17 +5,17 @@ import java.util.Optional;
 
 public class LinesIntersectionService {
 
-    public Optional<Point> calculateIntersectionPoint(float m1, float b1, float m2, float b2) {
+    public Optional<Point> calculateIntersectionPoint(double m1, double b1, double m2, double b2) {
 
         if (m1 == m2) {
             return Optional.empty();
         }
-        
-        float x = (b2 - b1) / (m1 - m2);
-        float y = m1 * x + b1;
 
-        Point point = new Point(Math.round(x), Math.round(y));
+        double x = (b2 - b1) / (m1 - m2);
+        double y = m1 * x + b1;
 
+        Point point = new Point();
+        point.setLocation(x, y);
         return Optional.of(point);
     }
 }