diff --git a/java-numbers-3/README.md b/java-numbers-3/README.md
deleted file mode 100644
index ec664f701b..0000000000
--- a/java-numbers-3/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-## Java Number Cookbooks and Examples
-
-This module contains articles about numbers in Java.
-
-### Relevant Articles
-- [Convert Double to Long in Java]s
-- More articles: [[<-- prev]](/../java-numbers)
diff --git a/java-numbers-3/src/main/java/com/baeldung/doubletolong/DoubleToLongUnitTest.java b/java-numbers-3/src/main/java/com/baeldung/doubletolong/DoubleToLongUnitTest.java
index c34a3fcf13..a2e8406396 100644
--- a/java-numbers-3/src/main/java/com/baeldung/doubletolong/DoubleToLongUnitTest.java
+++ b/java-numbers-3/src/main/java/com/baeldung/doubletolong/DoubleToLongUnitTest.java
@@ -8,28 +8,28 @@ public class DoubleToLongUnitTest {
     final static double VALUE = 9999.999;
 
     @Test
-    public void using_longValue() {
+    public void givenDoubleValue_whenLongValueCalled_thenLongValueReturned() {
         Assert.assertEquals(9999L, Double.valueOf(VALUE)
             .longValue());
     }
 
     @Test
-    public void using_Math_Round() {
+    public void givenDoubleValue_whenMathRoundUseds_thenLongValueReturned() {
         Assert.assertEquals(10000L, Math.round(VALUE));
     }
 
     @Test
-    public void using_Math_Ceil() {
+    public void givenDoubleValue_whenMathCeilUsed_thenLongValueReturned() {
         Assert.assertEquals(10000L, Math.ceil(VALUE), 0);
     }
 
     @Test
-    public void using_Math_Floor() {
+    public void givenDoubleValue_whenMathFloorUsed_thenLongValueReturned() {
         Assert.assertEquals(9999L, Math.floor(VALUE), 0);
     }
 
     @Test
-    public void using_Type_Cast() {
+    public void givenDoubleValue_whenTypeCasted_thenLongValueReturned() {
         Assert.assertEquals(9999L, (long) VALUE);
     }
 
diff --git a/java-numbers-3/src/test/java/com/baeldung/.gitkeep b/java-numbers-3/src/test/java/com/baeldung/.gitkeep
deleted file mode 100644
index e69de29bb2..0000000000