Place the code for BAEL-2876 to java-strings-2 (#6911)

* Add the code for article BAEL-2876

* Move BAEL-2876 from core-java-8-2 to java-strings-2

* Remove ICU from the pom of core-java-8-2

* Replace the char é by its unicode encoding

java-strings-2/src/test/java/com/baeldung/localization/ICUFormatUnitTest.java

@@ -0,0 +1,74 @@
+package com.baeldung.localization;
+
+import static org.junit.Assert.assertEquals;
+
+import java.util.Locale;
+
+import org.junit.Test;
+
+import com.baeldung.localization.ICUFormat;
+
+public class ICUFormatUnitTest {
+
+    @Test
+    public void givenInUK_whenAliceSendsNothing_thenCorrectMessage() {
+        assertEquals("Alice has sent you no messages.", ICUFormat.getLabel(Locale.UK, new Object[] { "Alice", "female", 0 }));
+    }
+
+    @Test
+    public void givenInUK_whenAliceSendsOneMessage_thenCorrectMessage() {
+        assertEquals("Alice has sent you a message.", ICUFormat.getLabel(Locale.UK, new Object[] { "Alice", "female", 1 }));
+    }
+
+    @Test
+    public void givenInUK_whenBobSendsSixMessages_thenCorrectMessage() {
+        assertEquals("Bob has sent you 6 messages.", ICUFormat.getLabel(Locale.UK, new Object[] { "Bob", "male", 6 }));
+    }
+
+    @Test
+    public void givenInItaly_whenAliceSendsNothing_thenCorrectMessage() {
+        assertEquals("Alice non ti ha inviato nessun messaggio.", ICUFormat.getLabel(Locale.ITALY, new Object[] { "Alice", "female", 0 }));
+    }
+
+    @Test
+    public void givenInItaly_whenAliceSendsOneMessage_thenCorrectMessage() {
+        assertEquals("Alice ti ha inviato un messaggio.", ICUFormat.getLabel(Locale.ITALY, new Object[] { "Alice", "female", 1 }));
+    }
+
+    @Test
+    public void givenInItaly_whenBobSendsSixMessages_thenCorrectMessage() {
+        assertEquals("Bob ti ha inviato 6 messaggi.", ICUFormat.getLabel(Locale.ITALY, new Object[] { "Bob", "male", 6 }));
+    }
+
+    @Test
+    public void givenInFrance_whenAliceSendsNothing_thenCorrectMessage() {
+        assertEquals("Alice ne vous a envoyé aucun message.", ICUFormat.getLabel(Locale.FRANCE, new Object[] { "Alice", "female", 0 }));
+    }
+    
+    @Test
+    public void givenInFrance_whenAliceSendsOneMessage_thenCorrectMessage() {
+        assertEquals("Alice vous a envoyé un message.", ICUFormat.getLabel(Locale.FRANCE, new Object[] { "Alice", "female", 1 }));
+    }
+
+    @Test
+    public void givenInFrance_whenBobSendsSixMessages_thenCorrectMessage() {
+        assertEquals("Bob vous a envoyé 6 messages.", ICUFormat.getLabel(Locale.FRANCE, new Object[] { "Bob", "male", 6 }));
+    }
+
+
+    @Test
+    public void givenInPoland_whenAliceSendsNothing_thenCorrectMessage() {
+        assertEquals("Alice nie wysłała ci żadnej wiadomości.", ICUFormat.getLabel(Locale.forLanguageTag("pl-PL"), new Object[] { "Alice", "female", 0 }));
+    }
+    
+    @Test
+    public void givenInPoland_whenAliceSendsOneMessage_thenCorrectMessage() {
+        assertEquals("Alice wysłała ci wiadomość.", ICUFormat.getLabel(Locale.forLanguageTag("pl-PL"), new Object[] { "Alice", "female", 1 }));
+    }
+    
+    @Test
+    public void givenInPoland_whenBobSendsSixMessages_thenCorrectMessage() {
+        assertEquals("Bob wysłał ci 6 wiadomości.", ICUFormat.getLabel(Locale.forLanguageTag("pl-PL"), new Object[] { "Bob", "male", 6 }));
+    }
+
+}