diff --git a/langserver/java/source-types.js b/langserver/java/source-types.js
index 973449a..de4e81f 100644
--- a/langserver/java/source-types.js
+++ b/langserver/java/source-types.js
@@ -24,6 +24,39 @@ function generateShortSignature(scope_or_package_name, name) {
     return pkgname ?`${pkgname.replace(/\./g, '/')}/${name}` : name;
 }
 
+/**
+ * @param {SourceType} enum_type 
+ * @param {Map<string,CEIType>} typemap
+ */
+function createImplicitEnumMethods(enum_type, typemap) {
+    return [
+        new class extends Method {
+            constructor() {
+                super(enum_type, 'values', ['public','static'], '');
+                this._returnType = new ArrayType(enum_type, 1);
+            }
+            get returnType() {
+                return this._returnType;
+            }
+        },
+        new class extends Method {
+            constructor() {
+                super(enum_type, 'valueOf', ['public','static'], '');
+                this._parameters = [
+                    new Parameter('name', typemap.get('java/lang/String'), false)
+                ]
+                this._returnType = enum_type;
+            }
+            get parameters() {
+                return this._parameters;
+            }
+            get returnType() {
+                return this._returnType;
+            }
+        }
+    ];
+}
+
 class SourceType extends CEIType {
     /**
      * @param {string} packageName
@@ -55,8 +88,10 @@ class SourceType extends CEIType {
         this.implements_types = [];
         /** @type {SourceConstructor[]} */
         this.constructors = [];
-        /** @type {SourceMethod[]} */
-        this.methods = [];
+        /** @type {Method[]} */
+        this.methods = typeKind === 'enum'
+            ? createImplicitEnumMethods(this, typemap)
+            : [];        
         /** @type {SourceField[]} */
         this.fields = [];
         /** @type {SourceInitialiser[]} */
@@ -65,6 +100,14 @@ class SourceType extends CEIType {
         this.enumValues = [];
     }
 
+    /**
+     * @returns {SourceMethod[]}
+     */
+    get sourceMethods() {
+        // @ts-ignore
+        return this.methods.filter(m => m instanceof SourceMethod);// [...this.implicitMethods, ...this.sourceMethods];
+    }
+
     /**
      * 
      * @param {Token} ident 
@@ -190,7 +233,11 @@ class SpecialisedSourceType extends CEIType {
             
             };
         });
-        this.methods = source_type.methods.map(m => {
+        this.methods = source_type.methods.map(method => {
+            if (!(method instanceof SourceMethod)) {
+                return method;
+            }
+            const m = method;
             const type = this;
             return new class extends Method {
                 constructor() {
diff --git a/langserver/java/validater.js b/langserver/java/validater.js
index 00a2e8e..3ea395e 100644
--- a/langserver/java/validater.js
+++ b/langserver/java/validater.js
@@ -27,7 +27,7 @@ function validate(unit, androidLibrary) {
             if (parsed)
                 probs = probs.concat(parsed.problems)
         })
-        t.methods.forEach(m => {
+        t.sourceMethods.forEach(m => {
             const parsed = parseBody(m, resolved_types, androidLibrary);
             if (parsed)
                 probs = probs.concat(parsed.problems)
diff --git a/langserver/java/validation/bad-overrides.js b/langserver/java/validation/bad-overrides.js
index badaa98..9909250 100644
--- a/langserver/java/validation/bad-overrides.js
+++ b/langserver/java/validation/bad-overrides.js
@@ -16,7 +16,7 @@ function checkOverrides(source_type, probs) {
 
     /** @type {{ann:SourceAnnotation, method:Method, method_id:string}[]} */
     const overriden_methods = [];
-    source_type.methods.reduce((arr, method) => {
+    source_type.sourceMethods.reduce((arr, method) => {
         const ann = method.annotations.find(a => a.type.simpleTypeName === 'Override');
         if (ann) {
             arr.push({
diff --git a/langserver/java/validation/invalid-types.js b/langserver/java/validation/invalid-types.js
index 33a975a..4b16aff 100644
--- a/langserver/java/validation/invalid-types.js
+++ b/langserver/java/validation/invalid-types.js
@@ -26,7 +26,7 @@ function checkType(type, is_return_type, probs) {
  */
 function checkInvalidTypes(type, probs) {
     type.fields.forEach(f => checkType(f.fieldTypeIdent, false, probs));
-    type.methods.forEach(m => {
+    type.sourceMethods.forEach(m => {
         checkType(m.returnTypeIdent, true, probs);
         m.parameters.forEach(p => {
             checkType(p.paramTypeIdent, false, probs);
diff --git a/langserver/java/validation/modifier-errors.js b/langserver/java/validation/modifier-errors.js
index 33f4855..72a0a36 100644
--- a/langserver/java/validation/modifier-errors.js
+++ b/langserver/java/validation/modifier-errors.js
@@ -173,7 +173,7 @@ function checkTypeModifiers(type, probs) {
     }
 
     type.fields.forEach(field => checkFieldModifiers(field, probs));
-    type.methods.forEach(method => checkMethodModifiers(type, typemods, method, probs));
+    type.sourceMethods.forEach(method => checkMethodModifiers(type, typemods, method, probs));
     type.constructors.forEach(ctr => checkConstructorModifiers(ctr, probs));
     type.initers.forEach(initer => checkInitialiserModifiers(initer, probs));
 }