diff --git a/ci/images/releasescripts/src/test/java/io/spring/concourse/releasescripts/artifactory/ArtifactoryServiceTests.java b/ci/images/releasescripts/src/test/java/io/spring/concourse/releasescripts/artifactory/ArtifactoryServiceTests.java
index d0b8a2b34db..0f321e762b6 100644
--- a/ci/images/releasescripts/src/test/java/io/spring/concourse/releasescripts/artifactory/ArtifactoryServiceTests.java
+++ b/ci/images/releasescripts/src/test/java/io/spring/concourse/releasescripts/artifactory/ArtifactoryServiceTests.java
@@ -76,7 +76,7 @@ class ArtifactoryServiceTests {
 	void promoteWhenSuccessful() {
 		this.server
 				.expect(requestTo(
-						"https://repo.spring.io/api/build/promote/" + "example-build" + "/" + "example-build-1"))
+						"https://repo.spring.io/api/build/promote/example-build/example-build-1"))
 				.andExpect(method(HttpMethod.POST))
 				.andExpect(content().json(
 						"{\"status\": \"staged\", \"sourceRepo\": \"libs-staging-local\", \"targetRepo\": \"libs-milestone-local\"}"))
@@ -91,9 +91,9 @@ class ArtifactoryServiceTests {
 	void promoteWhenArtifactsAlreadyPromoted() {
 		this.server
 				.expect(requestTo(
-						"https://repo.spring.io/api/build/promote/" + "example-build" + "/" + "example-build-1"))
+						"https://repo.spring.io/api/build/promote/example-build/example-build-1"))
 				.andRespond(withStatus(HttpStatus.CONFLICT));
-		this.server.expect(requestTo("https://repo.spring.io/api/build/" + "example-build" + "/" + "example-build-1"))
+		this.server.expect(requestTo("https://repo.spring.io/api/build/example-build/example-build-1"))
 				.andRespond(withJsonFrom("build-info-response.json"));
 		this.service.promote("libs-release-local", getReleaseInfo());
 		this.server.verify();
@@ -103,9 +103,9 @@ class ArtifactoryServiceTests {
 	void promoteWhenCheckForArtifactsAlreadyPromotedFails() {
 		this.server
 				.expect(requestTo(
-						"https://repo.spring.io/api/build/promote/" + "example-build" + "/" + "example-build-1"))
+						"https://repo.spring.io/api/build/promote/example-build/example-build-1"))
 				.andRespond(withStatus(HttpStatus.CONFLICT));
-		this.server.expect(requestTo("https://repo.spring.io/api/build/" + "example-build" + "/" + "example-build-1"))
+		this.server.expect(requestTo("https://repo.spring.io/api/build/example-build/example-build-1"))
 				.andRespond(withStatus(HttpStatus.FORBIDDEN));
 		assertThatExceptionOfType(HttpClientErrorException.class)
 				.isThrownBy(() -> this.service.promote("libs-release-local", getReleaseInfo()));
@@ -116,9 +116,9 @@ class ArtifactoryServiceTests {
 	void promoteWhenPromotionFails() {
 		this.server
 				.expect(requestTo(
-						"https://repo.spring.io/api/build/promote/" + "example-build" + "/" + "example-build-1"))
+						"https://repo.spring.io/api/build/promote/example-build/example-build-1"))
 				.andRespond(withStatus(HttpStatus.CONFLICT));
-		this.server.expect(requestTo("https://repo.spring.io/api/build/" + "example-build" + "/" + "example-build-1"))
+		this.server.expect(requestTo("https://repo.spring.io/api/build/example-build/example-build-1"))
 				.andRespond(withJsonFrom("staged-build-info-response.json"));
 		assertThatExceptionOfType(HttpClientErrorException.class)
 				.isThrownBy(() -> this.service.promote("libs-release-local", getReleaseInfo()));
@@ -131,7 +131,7 @@ class ArtifactoryServiceTests {
 		given(this.bintrayService.isDistributionComplete(releaseInfo)).willReturn(true);
 		this.server
 				.expect(requestTo(
-						"https://repo.spring.io/api/build/distribute/" + "example-build" + "/" + "example-build-1"))
+						"https://repo.spring.io/api/build/distribute/example-build/example-build-1"))
 				.andExpect(method(HttpMethod.POST))
 				.andExpect(content().json(
 						"{\"sourceRepos\": [\"libs-release-local\"], \"targetRepo\" : \"spring-distributions\", \"async\":\"true\"}"))
@@ -148,7 +148,7 @@ class ArtifactoryServiceTests {
 		ReleaseInfo releaseInfo = getReleaseInfo();
 		this.server
 				.expect(requestTo(
-						"https://repo.spring.io/api/build/distribute/" + "example-build" + "/" + "example-build-1"))
+						"https://repo.spring.io/api/build/distribute/example-build/example-build-1"))
 				.andExpect(method(HttpMethod.POST))
 				.andExpect(content().json(
 						"{\"sourceRepos\": [\"libs-release-local\"], \"targetRepo\" : \"spring-distributions\", \"async\":\"true\"}"))
@@ -168,7 +168,7 @@ class ArtifactoryServiceTests {
 		given(this.bintrayService.isDistributionComplete(releaseInfo)).willReturn(false);
 		this.server
 				.expect(requestTo(
-						"https://repo.spring.io/api/build/distribute/" + "example-build" + "/" + "example-build-1"))
+						"https://repo.spring.io/api/build/distribute/example-build/example-build-1"))
 				.andExpect(method(HttpMethod.POST))
 				.andExpect(content().json(
 						"{\"sourceRepos\": [\"libs-release-local\"], \"targetRepo\" : \"spring-distributions\", \"async\":\"true\"}"))
diff --git a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/CompositeHealthTests.java b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/CompositeHealthTests.java
index ec4e1ee3bea..3d0c25528c6 100644
--- a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/CompositeHealthTests.java
+++ b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/CompositeHealthTests.java
@@ -64,7 +64,7 @@ class CompositeHealthTests {
 		CompositeHealth health = new CompositeHealth(ApiVersion.V3, Status.UP, components);
 		ObjectMapper mapper = new ObjectMapper();
 		String json = mapper.writeValueAsString(health);
-		assertThat(json).isEqualTo("{\"status\":\"UP\",\"components\":{" + "\"db1\":{\"status\":\"UP\"},"
+		assertThat(json).isEqualTo("{\"status\":\"UP\",\"components\":{\"db1\":{\"status\":\"UP\"},"
 				+ "\"db2\":{\"status\":\"DOWN\",\"details\":{\"a\":\"b\"}}}}");
 	}
 
@@ -76,7 +76,7 @@ class CompositeHealthTests {
 		CompositeHealth health = new CompositeHealth(ApiVersion.V2, Status.UP, components);
 		ObjectMapper mapper = new ObjectMapper();
 		String json = mapper.writeValueAsString(health);
-		assertThat(json).isEqualTo("{\"status\":\"UP\",\"details\":{" + "\"db1\":{\"status\":\"UP\"},"
+		assertThat(json).isEqualTo("{\"status\":\"UP\",\"details\":{\"db1\":{\"status\":\"UP\"},"
 				+ "\"db2\":{\"status\":\"DOWN\",\"details\":{\"a\":\"b\"}}}}");
 	}
 
diff --git a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/SystemHealthTests.java b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/SystemHealthTests.java
index 45eafce64e5..9ed39811a7c 100644
--- a/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/SystemHealthTests.java
+++ b/spring-boot-project/spring-boot-actuator/src/test/java/org/springframework/boot/actuate/health/SystemHealthTests.java
@@ -45,7 +45,7 @@ class SystemHealthTests {
 		CompositeHealth health = new SystemHealth(ApiVersion.V3, Status.UP, components, groups);
 		ObjectMapper mapper = new ObjectMapper();
 		String json = mapper.writeValueAsString(health);
-		assertThat(json).isEqualTo("{\"status\":\"UP\",\"components\":{" + "\"db1\":{\"status\":\"UP\"},"
+		assertThat(json).isEqualTo("{\"status\":\"UP\",\"components\":{\"db1\":{\"status\":\"UP\"},"
 				+ "\"db2\":{\"status\":\"DOWN\",\"details\":{\"a\":\"b\"}}},"
 				+ "\"groups\":[\"liveness\",\"readiness\"]}");
 	}
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/CacheAutoConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/CacheAutoConfiguration.java
index 108bac9fa99..cbc6adec3bc 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/CacheAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/CacheAutoConfiguration.java
@@ -107,7 +107,7 @@ public class CacheAutoConfiguration {
 		@Override
 		public void afterPropertiesSet() {
 			Assert.notNull(this.cacheManager.getIfAvailable(),
-					() -> "No cache manager could be auto-configured, check your configuration (caching " + "type is '"
+					() -> "No cache manager could be auto-configured, check your configuration (caching type is '"
 							+ this.cacheProperties.getType() + "')");
 		}
 
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.java
index 0e9d9938318..58fc17d21e4 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.java
@@ -183,8 +183,7 @@ class HibernateJpaConfiguration extends JpaBaseConfiguration {
 			// containers (e.g. JBoss EAP 6) wrap it in the superclass LinkageError
 			if (!isUsingJndi()) {
 				throw new IllegalStateException(
-						"Unable to set Hibernate JTA platform, are you using the correct " + "version of Hibernate?",
-						ex);
+						"Unable to set Hibernate JTA platform, are you using the correct version of Hibernate?", ex);
 			}
 			// Assume that Hibernate will use JNDI
 			if (logger.isDebugEnabled()) {
diff --git a/spring-boot-project/spring-boot-cli/src/intTest/java/org/springframework/boot/cli/JarCommandIT.java b/spring-boot-project/spring-boot-cli/src/intTest/java/org/springframework/boot/cli/JarCommandIT.java
index 0493c67394a..5bb7857eadd 100644
--- a/spring-boot-project/spring-boot-cli/src/intTest/java/org/springframework/boot/cli/JarCommandIT.java
+++ b/spring-boot-project/spring-boot-cli/src/intTest/java/org/springframework/boot/cli/JarCommandIT.java
@@ -55,7 +55,7 @@ class JarCommandIT {
 		invocation.await();
 		assertThat(invocation.getStandardOutput()).isEqualTo("");
 		assertThat(invocation.getErrorOutput())
-				.contains("The name of the " + "resulting jar and at least one source file must be specified");
+				.contains("The name of the resulting jar and at least one source file must be specified");
 	}
 
 	@Test
@@ -64,7 +64,7 @@ class JarCommandIT {
 		invocation.await();
 		assertThat(invocation.getStandardOutput()).isEqualTo("");
 		assertThat(invocation.getErrorOutput())
-				.contains("The name of the " + "resulting jar and at least one source file must be specified");
+				.contains("The name of the resulting jar and at least one source file must be specified");
 	}
 
 	@Test
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-test-support/src/test/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtensionExclusionsTests.java b/spring-boot-project/spring-boot-tools/spring-boot-test-support/src/test/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtensionExclusionsTests.java
index 25e7206f271..a68eeb13581 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-test-support/src/test/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtensionExclusionsTests.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-test-support/src/test/java/org/springframework/boot/testsupport/classpath/ModifiedClassPathExtensionExclusionsTests.java
@@ -30,7 +30,7 @@ import static org.hamcrest.Matchers.isA;
 @ClassPathExclusions("hibernate-validator-*.jar")
 class ModifiedClassPathExtensionExclusionsTests {
 
-	private static final String EXCLUDED_RESOURCE = "META-INF/services/" + "javax.validation.spi.ValidationProvider";
+	private static final String EXCLUDED_RESOURCE = "META-INF/services/javax.validation.spi.ValidationProvider";
 
 	@Test
 	void entriesAreFilteredFromTestClassClassLoader() {