Merge pull request #46291 from PiyalAhmed

* gh-46291:
  Polish

Closes gh-46291

Author: wilkinsona

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/management/HeapDumpWebEndpoint.java

@@ -125,10 +125,7 @@ private boolean isRunningOnOpenJ9() {
 			return true;
 		}
 		String vmVendor = System.getProperty("java.vm.vendor");
-		if (StringUtils.hasLength(vmVendor) && vmVendor.toLowerCase(Locale.ROOT).contains("openj9")) {
-			return true;
-		}
-		return false;
+		return StringUtils.hasLength(vmVendor) && vmVendor.toLowerCase(Locale.ROOT).contains("openj9");
 	}
 
 	/**

spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/net/util/UrlDecoder.java

@@ -73,13 +73,11 @@ public static String decode(String string) {
 
 	private static int fillByteBuffer(ByteBuffer byteBuffer, String string, int index, int length) {
 		byteBuffer.clear();
-		while (true) {
+		do {
 			byteBuffer.put(unescape(string, index));
 			index += 3;
-			if (index >= length || string.charAt(index) != '%') {
-				break;
-			}
 		}
+		while (index < length && string.charAt(index) == '%');
 		byteBuffer.flip();
 		return index;
 	}