diff --git a/build.gradle b/build.gradle
index ce97c7ba2e..8fb8d16cf6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,6 +1,19 @@
 plugins {
     id 'java'
     id 'application'
+    id 'checkstyle'
+    id 'com.github.johnrengelman.shadow' version '5.1.0'
+}
+
+checkstyle {
+    toolVersion = '8.23'
+}
+
+shadowJar {
+    archiveBaseName = "duke"
+    archiveVersion = "0.1.3"
+    archiveClassifier = null
+    archiveAppendix = null
 }
 
 group 'seedu.duke'
@@ -12,7 +25,7 @@ repositories {
 
 application {
     // Change this to your main class.
-    mainClassName = "seedu.duke.Duke"
+    mainClassName = "Duke"
 }
 
 run {
diff --git a/duke.txt b/duke.txt
index eb2e23c0e0..64a519db55 100644
--- a/duke.txt
+++ b/duke.txt
@@ -1,4 +1,3 @@
 T | 1 | read book
 D | 1 | return book | June 6th
 E | 1 | project meeting | Aug 6th 2-4pm
-T | 1 | study for exam