jdk-17

build.gradle

@@ -3,7 +3,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath("org.springframework.boot:spring-boot-gradle-plugin:2.0.5.RELEASE")
+        classpath("org.springframework.boot:spring-boot-gradle-plugin:2.6.4")
     }
 }
 
@@ -22,13 +22,14 @@ repositories {
     mavenCentral()
 }
 
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+sourceCompatibility = 17
+targetCompatibility = 17
 
 dependencies {
-    compile("org.springframework.boot:spring-boot-starter-web")
-    compile("org.springframework.boot:spring-boot-starter-thymeleaf")
-    compile("org.springframework.boot:spring-boot-devtools")
-    testCompile("junit:junit")
+    implementation group: 'org.springframework.boot', name: 'spring-boot-starter-web'
+    implementation group: 'org.springframework.boot', name: 'spring-boot-starter-jetty'
+    implementation group: 'org.springframework.boot', name: 'spring-boot-starter-thymeleaf'
+    implementation group: 'org.springframework.boot', name: 'spring-boot-devtools'
+    implementation group: 'junit', name: 'junit'
 }
 

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-4.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip