Polish "Use System.lineSeparator()""

Closes gh-11665

spring-boot-project/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/init/ServiceCapabilitiesReportGenerator.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot-tools/spring-boot-configuration-metadata/src/main/java/org/springframework/boot/configurationmetadata/DescriptionExtractor.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot-tools/spring-boot-configuration-metadata/src/test/java/org/springframework/boot/configurationmetadata/DescriptionExtractorTests.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -39,14 +39,16 @@ public class DescriptionExtractorTests {
 	@Test
 	public void extractShortDescriptionNewLineBeforeDot() {
 		String description = this.extractor.getShortDescription(
-				"My short" + System.lineSeparator() + "description." + System.lineSeparator() + "More stuff.");
+				"My short" + System.lineSeparator() + "description."
+						+ System.lineSeparator() + "More stuff.");
 		assertThat(description).isEqualTo("My short description.");
 	}
 
 	@Test
 	public void extractShortDescriptionNewLineBeforeDotWithSpaces() {
 		String description = this.extractor.getShortDescription(
-				"My short  " + System.lineSeparator() + " description.  " + System.lineSeparator() + "More stuff.");
+				"My short  " + System.lineSeparator() + " description.  "
+						+ System.lineSeparator() + "More stuff.");
 		assertThat(description).isEqualTo("My short description.");
 	}
 
@@ -59,7 +61,8 @@ public class DescriptionExtractorTests {
 	@Test
 	public void extractShortDescriptionNoDotMultipleLines() {
 		String description = this.extractor
-				.getShortDescription("My short description " + System.lineSeparator() + " More stuff");
+				.getShortDescription("My short description " + System.lineSeparator()
+						+ " More stuff");
 		assertThat(description).isEqualTo("My short description");
 	}
 

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/ImageBannerTests.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/ExtendedWhitespaceThrowablePatternConverterTests.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -48,7 +48,8 @@ public class ExtendedWhitespaceThrowablePatternConverterTests {
 		LogEvent event = Log4jLogEvent.newBuilder().setThrown(new Exception()).build();
 		StringBuilder builder = new StringBuilder();
 		this.converter.format(event, builder);
-		assertThat(builder).startsWith(System.lineSeparator()).endsWith(System.lineSeparator());
+		assertThat(builder).startsWith(System.lineSeparator())
+				.endsWith(System.lineSeparator());
 	}
 
 }

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/log4j2/WhitespaceThrowablePatternConverterTests.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/logback/ExtendedWhitespaceThrowableProxyConverterTests.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/logging/logback/WhitespaceThrowableProxyConverterTests.java

 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.