add recipes

Author: Vinh Nguyen

docs/basics/time/OffsetDateTime.md

@@ -1,3 +1,5 @@
+Back to [Main](../../../README.md) ⇒ [Base](../index.md)
+
 # OffsetDateTime
 
 ## Convert to Millis

docs/basics/util/sorted-collections.md

@@ -0,0 +1,41 @@
+Back to [Main](../../../README.md) ⇒ [Base](../index.md)
+
+# Sorted Collections
+
+## Creating a Sorted Set
+
+## Finding an Element in a Sorted Array
+
+## Finding an Element in a Sorted Array
+
+## Finding an Element in a Sorted List
+
+## Inserting an Element into a Sorted Array
+
+##  Inserting an Element into a Sorted List
+
+##  Sorting an Array
+
+```java
+int[] intArray = new int[] {4, 1, 3, -23};
+Arrays.sort(intArray);
+// [-23, 1, 3, 4]
+
+String[] strArray = new String[] {"z", "a", "C"};
+Arrays.sort(strArray);
+// [C, a, z]
+
+// Case-insensitive sort
+Arrays.sort(strArray, String.CASE_INSENSITIVE_ORDER);
+// [a, C, z]
+
+// Reverse-order sort
+Arrays.sort(strArray, Collections.reverseOrder());
+// [z, a, C]
+
+// Case-insensitive reverse-order sort
+Arrays.sort(strArray, String.CASE_INSENSITIVE_ORDER);
+Collections.reverse(Arrays.asList(strArray));
+// [z, C, a]
+```
+

docs/libraries/index.md

@@ -1,4 +1,5 @@
 Back to [Main](../../README.md)
 
 - [Mustache](mustache.md) - Template Engine
-- [Apache Commons Validator](../../common-validator/commons-validator.md)
+- [Apache Commons Validator](../../common-validator/commons-validator.md)
+- 

kafka-streams/pom.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>examples</artifactId>
+        <groupId>net.cinhtau</groupId>
+        <version>1.0.11-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>kafka-streams</artifactId>
+
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <kafka.version>2.7.0</kafka.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.kafka</groupId>
+            <artifactId>kafka-streams</artifactId>
+            <version>${kafka.version}</version>
+        </dependency>
+    </dependencies>
+
+</project>

pom.xml

@@ -13,6 +13,7 @@
     <modules>
         <module>common-validator</module>
         <module>xml-jdom</module>
+        <module>kafka-streams</module>
     </modules>
 
     <properties>