gradle now deprecated 'compile'. Superseded by implementation.

dmz/build.gradle

@@ -31,12 +31,12 @@ dependencies {
 
 
     // https://mvnrepository.com/artifact/com.github.cliftonlabs/json-simple
-    compile group: 'com.github.cliftonlabs', name: 'json-simple', version: '3.1.0'
-    compile group: 'io.reactivex.rxjava2', name: 'rxjava', version: '2.1.12'
-    compile group: 'org.apache.commons', name: 'commons-io', version: '1.3.2'
+    implementation group: 'com.github.cliftonlabs', name: 'json-simple', version: '3.1.0'
+    implementation group: 'io.reactivex.rxjava2', name: 'rxjava', version: '2.1.12'
+    implementation group: 'org.apache.commons', name: 'commons-io', version: '1.3.2'
 
     testCompile("junit:junit")
-    compile project(path: ':lib')
+    implementation project(path: ':lib')
 }
 
 bootRun {

lib/build.gradle

@@ -16,9 +16,9 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     implementation 'org.bouncycastle:bcprov-jdk15on:1.62'
     // https://mvnrepository.com/artifact/com.github.cliftonlabs/json-simple
-    compile group: 'com.github.cliftonlabs', name: 'json-simple', version: '3.1.0'
+    implementation group: 'com.github.cliftonlabs', name: 'json-simple', version: '3.1.0'
     // https://mvnrepository.com/artifact/com.google.code.gson/gson
-    compile group: 'com.google.code.gson', name: 'gson', version: '2.8.5'
+    implementation group: 'com.google.code.gson', name: 'gson', version: '2.8.5'
 }
 
 sourceCompatibility = "1.8"

util/build.gradle

@@ -14,12 +14,12 @@ sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
 dependencies {
-    compile 'org.web3j:core:4.5.0'
+    implementation 'org.web3j:core:4.5.0'
     testImplementation 'junit:junit:4.12'
-    compile project(path: ':lib')
+    implementation project(path: ':lib')
     // To avoid any kind of class conflicts and logger conflicts, 
     // JDeferred does not include any logger libraries. Providing one here.
-    compile 'org.slf4j:slf4j-nop:1.7.25'
+    implementation 'org.slf4j:slf4j-nop:1.7.25'
 }
 
 run {