Use set literals

java/ql/lib/semmle/code/java/JDK.qll

@@ -321,12 +321,7 @@ class WriteObjectMethod extends Method {
 class ReadObjectMethod extends Method {
   ReadObjectMethod() {
     this.getDeclaringType() instanceof TypeObjectInputStream and
-    (
+    this.hasName(["readObject", "readObjectOverride", "readUnshared", "resolveObject"])
-      this.hasName("readObject") or
-      this.hasName("readObjectOverride") or
-      this.hasName("readUnshared") or
-      this.hasName("resolveObject")
-    )
   }
 }
 

java/ql/lib/semmle/code/java/frameworks/struts/StrutsActions.qll

@@ -40,12 +40,7 @@ class Struts2ActionClass extends Class {
       getStrutsMapperClass(this) = "org.apache.struts2.dispatcher.mapper.RestfulActionMapper"
     then
       // The "Restful" action mapper maps rest APIs to specific methods
-      result.hasName("index") or
+      result.hasName(["index", "create", "editNew", "view", "remove", "update"])
-      result.hasName("create") or
-      result.hasName("editNew") or
-      result.hasName("view") or
-      result.hasName("remove") or
-      result.hasName("update")
     else
       if
         getStrutsMapperClass(this) = "org.apache.struts2.rest.RestActionMapper" or
@@ -53,13 +48,7 @@ class Struts2ActionClass extends Class {
       then
         // The "Rest" action mapper is provided with the rest plugin, and maps rest APIs to specific
         // methods based on a "ruby-on-rails" style.
-        result.hasName("index") or
+        result.hasName(["index", "show", "edit", "editNew", "create", "update", "destroy"])
-        result.hasName("show") or
-        result.hasName("edit") or
-        result.hasName("editNew") or
-        result.hasName("create") or
-        result.hasName("update") or
-        result.hasName("destroy")
       else
         if exists(getStrutsMapperClass(this))
         then