diff --git a/gradle-6/.gitignore b/gradle-6/.gitignore
index 75efe642c0..6987887957 100644
--- a/gradle-6/.gitignore
+++ b/gradle-6/.gitignore
@@ -2,7 +2,7 @@
 # Gradle
 
 .gradle
-/build/
+build
 
 # Ignore Gradle GUI config
 gradle-app.setting
diff --git a/gradle-6/build.gradle.kts b/gradle-6/build.gradle.kts
index d9876dfe28..fb3c3f88a2 100644
--- a/gradle-6/build.gradle.kts
+++ b/gradle-6/build.gradle.kts
@@ -1,42 +1,5 @@
-plugins {
-    `java-library`
-    `maven-publish`
-}
-
-group = "com.baeldung"
-version = "1.0.0"
-
-repositories {
-    mavenCentral()
-}
-
-dependencies {
-    api("io.reactivex.rxjava2:rxjava:2.2.16")
-    implementation("com.google.guava:guava") {
-        version {
-            require("2.0")
-            prefer("28.1-jre")
-            because("Only uses ImmutableList type, so any version since 2.0 will do, but tested with 28.1-jre")
-        }
-    }
-
-    testImplementation("org.junit.jupiter:junit-jupiter-api:5.5.2")
-    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.5.2")
-}
-
-tasks.compileJava {
-    sourceCompatibility = "1.8"
-    targetCompatibility = "1.8"
-}
-
-tasks.test {
-    useJUnitPlatform()
-}
-
-publishing {
-    publications {
-        register<MavenPublication>("mavenJava") {
-            from(components["java"])
-        }
+subprojects {
+    repositories {
+        mavenCentral()
     }
 }
\ No newline at end of file
diff --git a/gradle-6/dependency-constraints/build.gradle.kts b/gradle-6/dependency-constraints/build.gradle.kts
new file mode 100644
index 0000000000..41336d3c91
--- /dev/null
+++ b/gradle-6/dependency-constraints/build.gradle.kts
@@ -0,0 +1,29 @@
+plugins {
+    `java-library`
+}
+
+group = "com.baeldung"
+version = "1.0.0"
+
+dependencies {
+    api("io.reactivex.rxjava2:rxjava:2.2.16")
+    implementation("com.google.guava:guava") {
+        version {
+            require("10.0")
+            prefer("28.1-jre")
+            because("Only uses ImmutableList type, so any version since 2.0 will do, but tested with 28.1-jre")
+        }
+    }
+
+    testImplementation("org.junit.jupiter:junit-jupiter-api:5.5.2")
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.5.2")
+}
+
+tasks.compileJava {
+    sourceCompatibility = "1.8"
+    targetCompatibility = "1.8"
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
diff --git a/gradle-6/src/main/java/com/baeldung/gradle/RxHelloWorld.java b/gradle-6/dependency-constraints/src/main/java/com/baeldung/gradle/RxHelloWorld.java
similarity index 100%
rename from gradle-6/src/main/java/com/baeldung/gradle/RxHelloWorld.java
rename to gradle-6/dependency-constraints/src/main/java/com/baeldung/gradle/RxHelloWorld.java
diff --git a/gradle-6/src/test/java/com/baeldung/gradle/RxHelloWorldUnitTest.java b/gradle-6/dependency-constraints/src/test/java/com/baeldung/gradle/RxHelloWorldUnitTest.java
similarity index 100%
rename from gradle-6/src/test/java/com/baeldung/gradle/RxHelloWorldUnitTest.java
rename to gradle-6/dependency-constraints/src/test/java/com/baeldung/gradle/RxHelloWorldUnitTest.java
diff --git a/gradle-6/httpclient-platform/build.gradle.kts b/gradle-6/httpclient-platform/build.gradle.kts
new file mode 100644
index 0000000000..a021bff013
--- /dev/null
+++ b/gradle-6/httpclient-platform/build.gradle.kts
@@ -0,0 +1,11 @@
+plugins {
+    `java-platform`
+}
+
+dependencies {
+    constraints {
+        api("org.apache.httpcomponents:fluent-hc:4.5.10")
+        api("org.apache.httpcomponents:httpclient:4.5.10")
+        runtime("commons-logging:commons-logging:1.2")
+    }
+}
\ No newline at end of file
diff --git a/gradle-6/module-metadata-publishing/build.gradle.kts b/gradle-6/module-metadata-publishing/build.gradle.kts
new file mode 100644
index 0000000000..9812c72f6f
--- /dev/null
+++ b/gradle-6/module-metadata-publishing/build.gradle.kts
@@ -0,0 +1,12 @@
+plugins {
+    java
+    `maven-publish`
+}
+
+publishing {
+    publications {
+        register<MavenPublication>("mavenJava") {
+            from(components["java"])
+        }
+    }
+}
\ No newline at end of file
diff --git a/gradle-6/person-rest-client/build.gradle.kts b/gradle-6/person-rest-client/build.gradle.kts
new file mode 100644
index 0000000000..c562b3e164
--- /dev/null
+++ b/gradle-6/person-rest-client/build.gradle.kts
@@ -0,0 +1,8 @@
+plugins {
+    `java-library`
+}
+
+dependencies {
+    api(platform(project(":httpclient-platform")))
+    implementation("org.apache.httpcomponents:fluent-hc")
+}
\ No newline at end of file
diff --git a/gradle-6/settings.gradle.kts b/gradle-6/settings.gradle.kts
index 8866408745..d84d0ff54e 100644
--- a/gradle-6/settings.gradle.kts
+++ b/gradle-6/settings.gradle.kts
@@ -1 +1,7 @@
 rootProject.name = "gradle-6"
+
+include("dependency-constraints")
+include("httpclient-platform")
+include("module-metadata-publishing")
+include("person-rest-client")
+include("widget-rest-client")
\ No newline at end of file
diff --git a/gradle-6/widget-rest-client/build.gradle.kts b/gradle-6/widget-rest-client/build.gradle.kts
new file mode 100644
index 0000000000..e1af4b7f71
--- /dev/null
+++ b/gradle-6/widget-rest-client/build.gradle.kts
@@ -0,0 +1,8 @@
+plugins {
+    `java-library`
+}
+
+dependencies {
+    api(platform(project(":httpclient-platform")))
+    implementation("org.apache.httpcomponents:httpclient")
+}
\ No newline at end of file