Merge pull request #31456 from dreis2211

* pr/31456:
  Use String.repeat() where possible

Closes gh-31456

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/logging/ConditionEvaluationReportMessage.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -53,12 +53,9 @@ public class ConditionEvaluationReportMessage {
 	}
 
 	private StringBuilder getLogMessage(ConditionEvaluationReport report, String title) {
+		String separator = "=".repeat(title.length());
 		StringBuilder message = new StringBuilder();
 		message.append(String.format("%n%n%n"));
-		StringBuilder separator = new StringBuilder();
-		for (int i = 0; i < title.length(); i++) {
-			separator.append("=");
-		}
 		message.append(String.format("%s%n", separator));
 		message.append(String.format("%s%n", title));
 		message.append(String.format("%s%n%n%n", separator));

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/ServerPropertiesTests.java

@@ -494,11 +494,7 @@ class ServerPropertiesTests {
 			HttpHeaders headers = new HttpHeaders();
 			headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
 			MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
-			StringBuilder data = new StringBuilder();
-			for (int i = 0; i < 250000; i++) {
-				data.append("a");
-			}
-			body.add("data", data.toString());
+			body.add("data", "a".repeat(250000));
 			HttpEntity<MultiValueMap<String, Object>> entity = new HttpEntity<>(body, headers);
 			template.postForEntity(URI.create("http://localhost:" + jetty.getPort() + "/form"), entity, Void.class);
 			assertThat(failure.get()).isNotNull();

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2022 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.
@@ -65,9 +65,9 @@ class ServiceCapabilitiesReportGenerator {
 	private String generateHelp(String url, InitializrServiceMetadata metadata) {
 		String header = "Capabilities of " + url;
 		StringBuilder report = new StringBuilder();
-		report.append(repeat("=", header.length())).append(NEW_LINE);
+		report.append("=".repeat(header.length())).append(NEW_LINE);
 		report.append(header).append(NEW_LINE);
-		report.append(repeat("=", header.length())).append(NEW_LINE);
+		report.append("=".repeat(header.length())).append(NEW_LINE);
 		report.append(NEW_LINE);
 		reportAvailableDependencies(metadata, report);
 		report.append(NEW_LINE);
@@ -139,12 +139,4 @@ class ServiceCapabilitiesReportGenerator {
 		}
 	}
 
-	private static String repeat(String s, int count) {
-		StringBuilder sb = new StringBuilder();
-		for (int i = 0; i < count; i++) {
-			sb.append(s);
-		}
-		return sb.toString();
-	}
-
 }