Upgrade gradle version to 6.5.1

Author: rayworks

build.gradle

@@ -22,15 +22,16 @@ setTargetCompatibility(JavaVersion.VERSION_1_8)
 
 // In this section you declare the dependencies for your production and test code
 dependencies {
+
     // The production code uses the SLF4J logging API at compile time
-    compile 'org.slf4j:slf4j-api:1.7.7'
-    compile 'com.google.guava:guava:18.0'
+    implementation 'org.slf4j:slf4j-api:1.7.7'
+    implementation 'com.google.guava:guava:18.0'
 
     // Declare the dependency for your favourite test framework you want to use in your tests.
     // TestNG is also supported by the Gradle Test task. Just change the
     // testCompile dependency to testCompile 'org.testng:testng:6.8.1' and add
     // 'test.useTestNG()' to your build script.
-    testCompile 'junit:junit:4.12'
+    testImplementation 'junit:junit:4.12'
 }
 
 /**
@@ -40,7 +41,3 @@ dependencies {
 tasks.matching { it instanceof Test }.all {
     testLogging.events = ["failed", "passed", "skipped"]
 }
-
-task wrapper(type: Wrapper) {
-    gradleVersion = '2.14.1'
-}

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-bin.zip