BAEL-2651 Implement Java static methods equivalent (#6322)

core-kotlin/src/main/kotlin/com/baeldung/static/ConsoleUtils.kt

@@ -0,0 +1,10 @@
+package com.baeldung.static
+
+class ConsoleUtils {
+    companion object {
+        @JvmStatic
+        fun debug(debugMessage : String) {
+            println("[DEBUG] $debugMessage")
+        }
+    }
+}

core-kotlin/src/main/kotlin/com/baeldung/static/LoggingUtils.kt

@@ -0,0 +1,5 @@
+package com.baeldung.static
+
+fun debug(debugMessage : String) {
+    println("[DEBUG] $debugMessage")
+}

core-kotlin/src/test/kotlin/com/baeldung/static/ConsoleUtilsUnitTest.kt

@@ -0,0 +1,10 @@
+package com.baeldung.static
+
+import org.junit.Test
+
+class ConsoleUtilsUnitTest {
+    @Test
+    fun givenAStaticMethod_whenCalled_thenNoErrorIsThrown() {
+        ConsoleUtils.debug("test message")
+    }
+}

core-kotlin/src/test/kotlin/com/baeldung/static/LoggingUtilsUnitTest.kt

@@ -0,0 +1,10 @@
+package com.baeldung.static
+
+import org.junit.Test
+
+class LoggingUtilsUnitTest {
+    @Test
+    fun givenAPackageMethod_whenCalled_thenNoErrorIsThrown() {
+        debug("test message")
+    }
+}