Wrap ternary operator within parentheses as outlined in Code Style

Closes gh-25232

spring-core/src/test/java/org/springframework/util/ConcurrentReferenceHashMapTests.java

@@ -583,7 +583,7 @@ class ConcurrentReferenceHashMapTests {
 			}
 			// For testing we want more control of the hash
 			this.supplementalHash = super.getHash(o);
-			return o == null ? 0 : o.hashCode();
+			return (o == null ? 0 : o.hashCode());
 		}
 
 		public int getSupplementalHash() {

spring-web/src/main/java/org/springframework/http/client/reactive/HttpComponentsClientHttpResponse.java

@@ -95,7 +95,7 @@ class HttpComponentsClientHttpResponse implements ClientHttpResponse {
 	private long getMaxAgeSeconds(Cookie cookie) {
 		String maxAgeAttribute = cookie.getAttribute(Cookie.MAX_AGE_ATTR);
 
-		return maxAgeAttribute == null ? -1 : Long.parseLong(maxAgeAttribute);
+		return (maxAgeAttribute == null ? -1 : Long.parseLong(maxAgeAttribute));
 	}
 
 	@Override

spring-web/src/main/java/org/springframework/web/client/DefaultResponseErrorHandler.java

@@ -139,7 +139,7 @@ public class DefaultResponseErrorHandler implements ResponseErrorHandler {
 			return preface + "[no body]";
 		}
 
-		charset = charset == null ? StandardCharsets.UTF_8 : charset;
+		charset = (charset == null ? StandardCharsets.UTF_8 : charset);
 		int maxChars = 200;
 
 		if (responseBody.length < maxChars * 2) {

spring-web/src/main/java/org/springframework/web/filter/ForwardedHeaderFilter.java

@@ -364,7 +364,7 @@ public class ForwardedHeaderFilter extends OncePerRequestFilter {
 
 
 		public String getContextPath() {
-			return this.forwardedPrefix == null ? this.delegate.get().getContextPath() : this.forwardedPrefix;
+			return (this.forwardedPrefix == null ? this.delegate.get().getContextPath() : this.forwardedPrefix);
 		}
 
 		public String getRequestUri() {