close cache instances properly (#2630)

* Evaluation article: Different Types of Bean Injection in Spring

* added tests & changed configuration to Java-based config

* removed xml config files

* rename unit tests

* BAEL-972 - Apache Commons Text

* remove code from evaluation article

* remove code from evaluation article

* BAEL-972 - Apache Commons Text - added another example

* BAEL-972 - Apache Commons Text - just indentation

* BAEL-994 - TemporalAdjuster in Java

* BAEL-994 - TemporalAdjuster in Java

* BAEL-994 - TemporalAdjuster in Java

* BAEL-994 - TemporalAdjuster in Java

* BAEL-994 - TemporalAdjuster in Java - fix problems

* BAEL-1033 Introduction to StreamUtils

* BAEL-1033 Introduction to StreamUtils

* BAEL-1033 Introduction to StreamUtils

* fix formatting

* BAEL-1033 minor refactor

* BAEL-1035 Introduction to Eclipse Collections

* format

* BAEL-1035 Introduction to Eclipse Collections

* BAEL-1035 Introduction to Eclipse Collections

* BAEL-1035 Introduction to Eclipse Collections

* cleanup

* cleanup

* BAEL-1109 Introduction to JCache

* BAEL-1109 Introduction to JCache

* remove unneeded property in pom.xml

* fix formatting

* close cache instances properly

* remove latest commit

* BAEL-1057 Introduction to rxjava-jdbc

rxjava/src/main/java/com/baeldung/rxjava/jdbc/Connector.java

@@ -0,0 +1,8 @@
+package com.baeldung.rxjava.jdbc;
+
+public class Connector {
+    
+    public static final String DB_CONNECTION = "jdbc:h2:mem:test;DB_CLOSE_DELAY=-1";
+    public static final String DB_USER = "";
+    public static final String DB_PASSWORD = "";
+}

rxjava/src/main/java/com/baeldung/rxjava/jdbc/Employee.java

@@ -0,0 +1,13 @@
+package com.baeldung.rxjava.jdbc;
+
+import com.github.davidmoten.rx.jdbc.annotations.Column;
+
+public interface Employee {
+
+    @Column("id")
+    int id();
+
+    @Column("name")
+    String name();
+    
+}

rxjava/src/main/java/com/baeldung/rxjava/jdbc/Manager.java

@@ -0,0 +1,29 @@
+package com.baeldung.rxjava.jdbc;
+
+public class Manager {
+
+    private int id;
+    private String name;
+
+    public Manager(int id, String name) {
+        this.id = id;
+        this.name = name;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+}

rxjava/src/main/java/com/baeldung/rxjava/jdbc/Utils.java

@@ -0,0 +1,16 @@
+package com.baeldung.rxjava.jdbc;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.StringWriter;
+
+import org.apache.commons.io.IOUtils;
+
+public class Utils {
+
+    public static String getStringFromInputStream(InputStream input) throws IOException {
+        StringWriter writer = new StringWriter();
+        IOUtils.copy(input, writer, "UTF-8");
+        return writer.toString();
+    }
+}