feature: #1261 Added collecting parameter design pattern (#2134)

* #1261 Added base directories, folders, and file for the collecting parameter design pattern.

* #1261 Added initial comment

* #1261 Added Maven Dependencies

* #1261 Added Maven Dependencies

* #1261 Finished README.md file

* #1261 Added tests

* #1261 Code adheres to the standard

* #1261 Code adheres to the standard

* #1261 Code adheres to the standard

* #1261
- Added table to README.md
- Explicitly state that result is the collecting parameter
- Improved applicability
- Separated PrinterItem.java from PrinterQueue.java
- Tests work now
- Giant comment split

* #1261 fixed programmatic example in README.md.

* #1261 updated class diagram

* #1261 Fixed everything.

* #1261 Minor edit to README.md.

* #1261 Minor edit to README.md.

* #1261 Minor updates.

* #1261 Fixed code style.

* #1261 Removed getPrinterQueue test

* #1261 Removed code smells

* #1261 Added UML plugin.

* #1261 Dependencies resolved.

* #1261 Specified the UML diagram paths. Perhaps this will work.

* #1261 pom.xml updated with UML wrapper. Maybe this will create class diagram when built?

* #1261 UML added.

* #1261
- README.md obeys the YAML requirements
- Typo in README.md fixed
- UMLWrapper removed from module pom.xml
- More comments added

Should be able to merge now :)

collecting-parameter/src/test/java/com/iluwatar/collectingparameter/AppTest.java

@@ -0,0 +1,39 @@
+/*
+ * This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
+ *
+ * The MIT License
+ * Copyright © 2014-2022 Ilkka Seppälä
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package com.iluwatar.collectingparameter;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
+
+class AppTest {
+  /**
+   * Checks whether {@link App} executes without throwing exception
+   */
+  @Test
+  void executesWithoutException() {
+    assertDoesNotThrow(() -> App.main(new String[]{}));
+  }
+}