diff --git a/core-java/.gitignore b/core-java/.gitignore
index 6ecc6405c2..464f7e5e38 100644
--- a/core-java/.gitignore
+++ b/core-java/.gitignore
@@ -13,4 +13,6 @@
 *.ear
 
 # Files generated by integration tests
-*.txt
\ No newline at end of file
+*.txt
+/bin/
+/temp
diff --git a/core-java/README.md b/core-java/README.md
index 9f9f6e596e..ef31a7c46e 100644
--- a/core-java/README.md
+++ b/core-java/README.md
@@ -43,3 +43,4 @@
 - [A Guide To Java Regular Expressions API](http://www.baeldung.com/regular-expressions-java)
 - [Sorting in Java](http://www.baeldung.com/java-sorting)
 - [Getting Started with Java Properties](http://www.baeldung.com/java-properties)
+- [Grep in Java](http://www.baeldung.com/pattern-search-grep-in-java)
\ No newline at end of file
diff --git a/core-java/pom.xml b/core-java/pom.xml
index 0cafeae16a..cd04d7c3e1 100644
--- a/core-java/pom.xml
+++ b/core-java/pom.xml
@@ -55,13 +55,13 @@
         <dependency>
             <groupId>org.unix4j</groupId>
             <artifactId>unix4j-command</artifactId>
-            <version>0.4</version>
+            <version>${unix4j.version}</version>
         </dependency>
 
         <dependency>
             <groupId>com.googlecode.grep4j</groupId>
             <artifactId>grep4j</artifactId>
-            <version>1.8.7</version>
+            <version>${grep4j.version}</version>
         </dependency>
         <!-- web -->
 
@@ -100,7 +100,7 @@
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
-            <version>1.16.12</version>
+            <version>${lombok.version}</version>
             <scope>provided</scope>
         </dependency>
 
@@ -359,6 +359,9 @@
         <commons-io.version>2.5</commons-io.version>
         <commons-collections4.version>4.1</commons-collections4.version>
         <collections-generic.version>4.01</collections-generic.version>
+        <unix4j.version>0.4</unix4j.version>
+        <grep4j.version>1.8.7</grep4j.version>
+        <lombok.version>1.16.12</lombok.version>
 
         <!-- testing -->
         <org.hamcrest.version>1.3</org.hamcrest.version>
diff --git a/core-java/src/test/java/com/baeldung/java8/unix/grep/GrepWithUnix4JTest.java b/core-java/src/test/java/com/baeldung/grep/GrepWithUnix4JTest.java
similarity index 97%
rename from core-java/src/test/java/com/baeldung/java8/unix/grep/GrepWithUnix4JTest.java
rename to core-java/src/test/java/com/baeldung/grep/GrepWithUnix4JTest.java
index 79ba2e0b17..628518a12f 100644
--- a/core-java/src/test/java/com/baeldung/java8/unix/grep/GrepWithUnix4JTest.java
+++ b/core-java/src/test/java/com/baeldung/grep/GrepWithUnix4JTest.java
@@ -1,4 +1,4 @@
-package com.baeldung.java8.unix.grep;
+package com.baeldung.grep;
 
 import java.io.File;
 import java.util.List;