Fix checkstyle violation

See gh-46401

Author: philwebb

spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/net/protocol/jar/JarFileUrlKey.java

@@ -44,11 +44,6 @@ final class JarFileUrlKey {
 		this.runtimeRef = "runtime".equals(url.getRef());
 	}
 
-	@Override
-	public int hashCode() {
-		return Objects.hashCode(this.file);
-	}
-
 	@Override
 	public boolean equals(Object obj) {
 		if (this == obj) {
@@ -64,6 +59,11 @@ && equalsIgnoringCase(this.host, other.host) && (this.port == other.port)
 				&& (this.runtimeRef == other.runtimeRef);
 	}
 
+	@Override
+	public int hashCode() {
+		return Objects.hashCode(this.file);
+	}
+
 	private boolean equalsIgnoringCase(String s1, String s2) {
 		return (s1 == s2) || (s1 != null && s1.equalsIgnoreCase(s2));
 	}