End fix SpotBugs issues

src/main/java/be/cylab/java/roc/Point.java

 package be.cylab.java.roc;
 
+import java.util.Objects;
+
 /**
  * Class to represent element.
  */
@@ -10,7 +12,8 @@ public class Point implements Comparable<Point> {
 
     /**
      * Constructor for Point.
-     * @param score double
+     *
+     * @param score      double
      * @param true_alert boolean
      */
     public Point(final double score, final boolean true_alert) {
@@ -29,8 +32,32 @@ public class Point implements Comparable<Point> {
         }
     }
 
+    /**
+     * @param o
+     * @return
+     */
+
+    public final boolean equals(final Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (!(o instanceof Point)) {
+            return false;
+        }
+        Point p = (Point) o;
+        return score == p.score;
+    }
+
+    /**
+     * @return
+     */
+    public final int hashCode() {
+        return Objects.hash(score, true_alert);
+    }
+
     /**
      * Setter for Score.
+     *
      * @param score
      */
     public final void setScore(final double score) {
@@ -42,6 +69,7 @@ public class Point implements Comparable<Point> {
 
     /**
      * Setter for True Alert.
+     *
      * @param true_alert
      */
     public final void setTrueAlert(final boolean true_alert) {
@@ -50,6 +78,7 @@ public class Point implements Comparable<Point> {
 
     /**
      * Getter for Score.
+     *
      * @return
      */
     public final double getScore() {
@@ -58,6 +87,7 @@ public class Point implements Comparable<Point> {
 
     /**
      * Getter for True Alert.
+     *
      * @return
      */
     public final boolean isTrueAlert() {

src/main/java/be/cylab/java/roc/Roc.java

@@ -49,28 +49,28 @@ public class Roc {
      */
     public Roc(final String file_path) {
         points = new ArrayList<>();
-        CSVReader reader = null;
+        CSVReader reader;
         try {
             reader = new CSVReader(new InputStreamReader(
                     new FileInputStream(file_path), StandardCharsets.UTF_8));
+            String[] next_record = null;
+            while (true) {
+                try {
+                    next_record = reader.readNext();
+                    if (!(next_record != null)) {
+                        break;
+                    }
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+                Point point = new Point(Double.parseDouble(next_record[0]),
+                        Boolean.parseBoolean(next_record[1]));
+                points.add(point);
+            }
 
         } catch (FileNotFoundException e) {
             e.printStackTrace();
         }
-        String[] next_record = null;
-        while (true) {
-            try {
-                next_record = reader.readNext();
-                if (!(next_record != null)) {
-                    break;
-                }
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-            Point point = new Point(Double.parseDouble(next_record[0]),
-                    Boolean.parseBoolean(next_record[1]));
-            points.add(point);
-        }
         Collections.sort(points);
         positive_examples_number = Utils.countPositiveExamples(this.points);
         negative_examples_number = Utils.countNegativeExamples(this.points);