Upading the pull request after code cleanup.

spring-all/src/main/java/org/baeldung/caching/config/myAppConfig.java

@@ -2,7 +2,7 @@
 @Configuration
 @EnableCaching
 
-public class myAppConfig {
+public class MyAppConfig {
 
     // Your configuration code goes here.
 

spring-all/src/main/java/org/baeldung/caching/example/Customer.java

@@ -1,74 +1,42 @@
-/**
- * The Class Customer.
- */
+
 public class Customer {
 
-  /** The id. */
-  private int id;
 
-  /** The name. */
-  private String name;
-
-  /** The address. */
-  private String customerAddress;
-
-  Customer(String name, String address){
-    this.name = name;
-    this.address = address;
-  }
+    private int id;
 
 
-  /**
-   * Gets the id.
-   *
-   * @return the id
-   */
-  public int getId() {
-    return id;
-  }
+    private String name;
 
-  /**
-   * Sets the id.
-   *
-   * @param id the new id
-   */
-  public void setId(int id) {
-    this.id = id;
-  }
 
-  /**
-   * Gets the name.
-   *
-   * @return the name
-   */
-  public String getName() {
-    return name;
-  }
+    private String customerAddress;
 
-  /**
-   * Gets the address.
-   *
-   * @return the address
-   */
-  public String getCustomerAddress() {
-    return this.customerAddress;
-  }
+    Customer(String name, String address){
+        this.name = name;
+        this.customerAddress = address;
+    }
 
-  /**
-   * Sets the name.
-   *
-   * @param name the new name
-   */
-  public void setName(String name) {
-    this.name = name;
-  }
 
-  /**
-   * Sets the address.
-   *
-   * @param name the new address
-   */
-  public void setCustomerAddress(String address) {
-    this.customerAddress = this.name + "," + address;
-  }
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getCustomerAddress() {
+        return this.customerAddress;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public void setCustomerAddress(String address) {
+        this.customerAddress = this.name + "," + address;
+    }
 }

spring-all/src/main/java/org/baeldung/caching/example/CustomerDataService.java

@@ -18,7 +18,8 @@ public class CustomerDataService {
 	CacheManager cacheManager;
 
 	/**
-	 * Gets the address.
+	 * The method returns the customer's address,
+	   only it doesn't find it the cache- addresses and directory.
 	 *
 	 * @param customer the customer
 	 * @return the address
@@ -32,8 +33,9 @@ public class CustomerDataService {
    }
 
 	/**
-		* Gets the address.
-		*
+	  * The method returns the customer's address,
+	    but refreshes all the entries in the cache to load new ones.
+    *
 		* @param customer the customer
 		* @return the address
 		*/
@@ -46,7 +48,8 @@ public class CustomerDataService {
 	}
 
 	/**
-		* Gets the address.
+	  * The method returns the customer's address,
+	    but not before selectively evicting the cache as per specified paramters.
 		*
 		* @param customer the customer
 		* @return the address
@@ -60,7 +63,7 @@ public class CustomerDataService {
 	}
 
 	/**
-	* Gets the address.
+	* The method uses the class level cache to look up for entries.
 	*
 	* @param customer the customer
 	* @return the address
@@ -74,7 +77,7 @@ public class CustomerDataService {
 	}
 
 	/**
-	* Gets the address.
+	* The method selectively caches the results that meet the predefined criteria.
 	*
 	* @param customer the customer
 	* @return the address

spring-all/src/main/java/org/baeldung/caching/test/SpringCachingBehaviorTest.java

@@ -6,26 +6,23 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 import org.springframework.stereotype.Component;
+import static org.junit.Assert.*;
+import org.junit.Test;
 
 
 
-/**
- * The Class CustomerDataService.
- */
 @Component
 
 public class SpringCachingBehaviorTest {
-/**
- * The main method.
- *
- * @param args the arguments
- */
- public static void main(String[] args) {
+
+ @Test
+ public void testCaching() {
     @SuppressWarnings("resource")
     ApplicationContext context = new ClassPathXmlApplicationContext("config.xml");
     example = context.getBean(CustomerDataService.class);
     Customer cust = new Customer("Tom", "67-2, Downing Street, NY");
     example.getAddress(cust);
+    fail("Unable to instantiate the CustomerDataService");
   }
 
 }

spring-all/src/main/java/org/baeldung/multi-tenancy/java/com/baeldung/multitenancy/MTConfig.java

@@ -7,6 +7,7 @@ import java.io.IOException;
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.Map;
+import org.apache.log4j.Logger;
 
 
 
@@ -32,7 +33,7 @@ public class MTConfig {
             return sf;
 
         } catch (Throwable ex) {
-            System.err.println("Failed to load the SessionFactory: " + ex);
+            logger.error("Failed to load the SessionFactory: " , ex);
             throw new ExceptionInInitializerError(ex);
         }