feat(ReadXMLUsingPropertieClass): add demo for reading XML configuration with Properties

What
- Added ReadXMLUsingPropertieClass in Package2.
- Uses java.util.Properties to load key-value pairs from an XML file.
- Prints entire Properties object and retrieves value for key `"Name: "`.

Why
- Demonstrates how to load configuration stored in XML format.
- Complements previous examples using `.properties` files and `storeToXML()`.
- Useful when config needs structured storage or integration with XML tools.

How
- Created new Properties object.
- Called loadFromXML(FileInputStream) to parse XML file into Properties.
  • XML must follow the DTD defined by Properties (keys/values as `<entry>` elements).
- Accessed individual property using getProperty("Name: ").
- Printed full Properties map to console.

Logic
- loadFromXML reads standard Java Properties XML format:
  <properties>
     <comment>...</comment>
     <entry key="Name: ">Value</entry>
  </properties>
- Keys and values remain Strings.
- If the key is not found, getProperty() returns null.
- Unlike `.properties` files, encoding is always UTF-8 for XML.

Real-life applications
- Store user preferences, metadata, or app settings in XML form.
- Easier integration with XML-based configuration systems.
- Better readability and extensibility compared to flat `.properties` files.
- Common in apps where configuration must be both human-readable and tool-friendly.

Summary
- ReadXMLUsingPropertieClass shows loading settings from an XML file into Properties.
- Demonstrates retrieving both all entries and a specific key.
- Highlights Properties versatility: supports both `.properties` (text) and `.xml` formats.

Signed-off-by: https://github.com/Someshdiwan <someshdiwan369@gmail.com>

Author: Someshdiwan

…ctionFramework/src/Properties/Person.xml …reams/Properties/src/Package2/Person.xmlSection25CollectionFramework/src/Properties/Person.xml renamed to Section23JavaIOStreams/Properties/src/Package2/Person.xml Section25CollectionFramework/src/Properties/Person.xml renamed to Section23JavaIOStreams/Properties/src/Package2/Person.xml

@@ -5,8 +5,8 @@
         Person Properties New File For reading using JAVA Program.
         How to read XML file using Properties in JAVA program.
     </comment>
-    <entry key="Name: ">Donald</entry>
-    <entry key="Age: ">99</entry>
-    <entry key="Address: ">LA</entry>
+    <entry key="Name: ">Jackson</entry>
+    <entry key="Age: ">80</entry>
+    <entry key="Address: ">SF</entry>
     <entry key="Country: ">USA</entry>
 </properties>