Upgraded to Spring Boot 3.0.0

to get onto the new major version of Spring Boot.

Author: Jay Bryant

complete/build.gradle

@@ -1,12 +1,12 @@
 plugins {
-	id 'org.springframework.boot' version '2.7.0'
-	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+	id 'org.springframework.boot' version '3.0.0'
+	id 'io.spring.dependency-management' version '1.1.0'
 	id 'java'
 }
 
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = '1.8'
+sourceCompatibility = '17'
 
 repositories {
 	mavenCentral()

complete/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.7.0</version>
+		<version>3.0.0</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
@@ -14,7 +14,7 @@
 	<name>asynch-method-complete</name>
 	<description>Demo project for Spring Boot</description>
 	<properties>
-		<java.version>1.8</java.version>
+		<java.version>17</java.version>
 	</properties>
 	<dependencies>
 		<dependency>

initial/build.gradle

@@ -1,12 +1,12 @@
 plugins {
-	id 'org.springframework.boot' version '2.7.0'
-	id 'io.spring.dependency-management' version '1.0.11.RELEASE'
+	id 'org.springframework.boot' version '3.0.0'
+	id 'io.spring.dependency-management' version '1.1.0'
 	id 'java'
 }
 
 group = 'com.example'
 version = '0.0.1-SNAPSHOT'
-sourceCompatibility = '1.8'
+sourceCompatibility = '17'
 
 repositories {
 	mavenCentral()

initial/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>2.7.0</version>
+		<version>3.0.0</version>
 		<relativePath/> <!-- lookup parent from repository -->
 	</parent>
 	<groupId>com.example</groupId>
@@ -14,7 +14,7 @@
 	<name>asynch-method-initial</name>
 	<description>Demo project for Spring Boot</description>
 	<properties>
-		<java.version>1.8</java.version>
+		<java.version>17</java.version>
 	</properties>
 	<dependencies>
 		<dependency>