diff --git a/antd-java/examples/build.gradle.kts b/antd-java/examples/build.gradle.kts
new file mode 100644
index 0000000..728a70e
--- /dev/null
+++ b/antd-java/examples/build.gradle.kts
@@ -0,0 +1,29 @@
+plugins {
+    java
+    application
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation(project(":"))
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+    toolchain {
+        languageVersion.set(JavaLanguageVersion.of(17))
+    }
+}
+
+// Pick which example to run with:
+// gradle :examples:run -PmainClass=com.autonomi.examples.Example02PublicData
+application {
+    mainClass.set(
+        (project.findProperty("mainClass") as String?)
+            ?: "com.autonomi.examples.Example02PublicData"
+    )
+}
diff --git a/antd-java/examples/Example01Connect.java b/antd-java/examples/src/main/java/com/autonomi/examples/Example01Connect.java
similarity index 93%
rename from antd-java/examples/Example01Connect.java
rename to antd-java/examples/src/main/java/com/autonomi/examples/Example01Connect.java
index 9956c53..01938e8 100644
--- a/antd-java/examples/Example01Connect.java
+++ b/antd-java/examples/src/main/java/com/autonomi/examples/Example01Connect.java
@@ -1,3 +1,5 @@
+package com.autonomi.examples;
+
 import com.autonomi.antd.AntdClient;
 import com.autonomi.antd.models.HealthStatus;
 
diff --git a/antd-java/examples/Example02PublicData.java b/antd-java/examples/src/main/java/com/autonomi/examples/Example02PublicData.java
similarity index 95%
rename from antd-java/examples/Example02PublicData.java
rename to antd-java/examples/src/main/java/com/autonomi/examples/Example02PublicData.java
index 3644755..b36d950 100644
--- a/antd-java/examples/Example02PublicData.java
+++ b/antd-java/examples/src/main/java/com/autonomi/examples/Example02PublicData.java
@@ -1,3 +1,5 @@
+package com.autonomi.examples;
+
 import com.autonomi.antd.AntdClient;
 import com.autonomi.antd.models.PutResult;
 
diff --git a/antd-java/examples/Example03Files.java b/antd-java/examples/src/main/java/com/autonomi/examples/Example03Files.java
similarity index 79%
rename from antd-java/examples/Example03Files.java
rename to antd-java/examples/src/main/java/com/autonomi/examples/Example03Files.java
index a536c9e..bc39cb5 100644
--- a/antd-java/examples/Example03Files.java
+++ b/antd-java/examples/src/main/java/com/autonomi/examples/Example03Files.java
@@ -1,3 +1,5 @@
+package com.autonomi.examples;
+
 import com.autonomi.antd.AntdClient;
 import com.autonomi.antd.models.FileUploadResult;
 
@@ -20,8 +22,8 @@ public static void main(String[] args) {
             System.out.println("Downloaded successfully");
 
             // Estimate cost before uploading
-            String cost = client.fileCost("/path/to/file.txt", true);
-            System.out.println("Estimated cost: " + cost + " atto");
+            com.autonomi.antd.models.UploadCostEstimate cost = client.fileCost("/path/to/file.txt", true);
+            System.out.println("Estimated cost: " + cost.cost() + " atto (" + cost.chunkCount() + " chunks)");
         }
     }
 }
diff --git a/antd-java/examples/Example05ErrorHandling.java b/antd-java/examples/src/main/java/com/autonomi/examples/Example05ErrorHandling.java
similarity index 96%
rename from antd-java/examples/Example05ErrorHandling.java
rename to antd-java/examples/src/main/java/com/autonomi/examples/Example05ErrorHandling.java
index 8fda6c4..9eb14fc 100644
--- a/antd-java/examples/Example05ErrorHandling.java
+++ b/antd-java/examples/src/main/java/com/autonomi/examples/Example05ErrorHandling.java
@@ -1,3 +1,5 @@
+package com.autonomi.examples;
+
 import com.autonomi.antd.AntdClient;
 import com.autonomi.antd.errors.*;
 
diff --git a/antd-java/examples/Example06PrivateData.java b/antd-java/examples/src/main/java/com/autonomi/examples/Example06PrivateData.java
similarity index 78%
rename from antd-java/examples/Example06PrivateData.java
rename to antd-java/examples/src/main/java/com/autonomi/examples/Example06PrivateData.java
index 36f7644..dd2c317 100644
--- a/antd-java/examples/Example06PrivateData.java
+++ b/antd-java/examples/src/main/java/com/autonomi/examples/Example06PrivateData.java
@@ -1,3 +1,5 @@
+package com.autonomi.examples;
+
 import com.autonomi.antd.AntdClient;
 import com.autonomi.antd.models.PutResult;
 
@@ -18,8 +20,8 @@ public static void main(String[] args) {
             System.out.println("Retrieved: " + new String(retrieved));
 
             // Estimate cost
-            String cost = client.dataCost(secret);
-            System.out.println("Estimated cost: " + cost + " atto");
+            com.autonomi.antd.models.UploadCostEstimate cost = client.dataCost(secret);
+            System.out.println("Estimated cost: " + cost.cost() + " atto (" + cost.chunkCount() + " chunks)");
         }
     }
 }
diff --git a/antd-java/gradlew b/antd-java/gradlew
old mode 100644
new mode 100755
diff --git a/antd-java/settings.gradle.kts b/antd-java/settings.gradle.kts
index f281bb4..a42d503 100644
--- a/antd-java/settings.gradle.kts
+++ b/antd-java/settings.gradle.kts
@@ -1 +1,3 @@
 rootProject.name = "antd-java"
+
+include("examples")