BAEL-282 - Grep in Java after code review (#903)

* BAEL-242 Package refactoring after code review for article Grep in Java

* BAEL-282 Updated readme file

core-java/.gitignore

@@ -13,4 +13,6 @@
 *.ear
 
 # Files generated by integration tests
-*.txt
+*.txt
+/bin/
+/temp

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)

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>

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;