diff --git a/core-java/DoubletoString.java b/core-java/DoubletoString.java
index c6b86162a6..bc88adae77 100644
--- a/core-java/DoubletoString.java
+++ b/core-java/DoubletoString.java
@@ -2,6 +2,8 @@ package com.baeldung.doubletostring;
 
 import java.math.RoundingMode;
 import java.text.DecimalFormat;
+import java.text.NumberFormat;
+import java.util.Locale;
 
 public class DoubletoString {