diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoClientCodegen.java
index 7ce6d2e191c7..b7bd85aa43a7 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/GoClientCodegen.java
@@ -464,7 +464,7 @@ private String constructExampleCode(CodegenParameter codegenParameter, HashMap<S
         if (codegenParameter.isListContainer) { // array
             return codegenParameter.dataType + "{" + constructExampleCode(codegenParameter.items, modelMaps, processedModelMap) + "}";
         } else if (codegenParameter.isMap) {
-            return "map[string]string{ \"Key\" = \"Value\" }";
+            return codegenParameter.dataType + "{ \"key\": " + constructExampleCode(codegenParameter.items, modelMaps, processedModelMap) + "}";
         } else if (codegenParameter.isPrimitiveType) { // primitive type
             if (codegenParameter.isString) {
                 if (StringUtils.isEmpty(codegenParameter.example)) {
@@ -479,9 +479,9 @@ private String constructExampleCode(CodegenParameter codegenParameter, HashMap<S
                     return "false";
                 }
             } else if (codegenParameter.isUri) { // URL
-                return "URL(string: \"https://example.com\")!";
+                return "\"https://example.com\"";
             } else if (codegenParameter.isDateTime || codegenParameter.isDate) { // datetime or date
-                return "Get-Date";
+                return "time.Now()";
             } else { // numeric
                 if (StringUtils.isEmpty(codegenParameter.example)) {
                     return codegenParameter.example;
@@ -502,9 +502,9 @@ private String constructExampleCode(CodegenParameter codegenParameter, HashMap<S
 
     private String constructExampleCode(CodegenProperty codegenProperty, HashMap<String, CodegenModel> modelMaps, HashMap<String, Integer> processedModelMap) {
         if (codegenProperty.isListContainer) { // array
-            return codegenProperty.dataType + "{" + constructExampleCode(codegenProperty.items, modelMaps, processedModelMap) + ")";
+            return codegenProperty.dataType + "{" + constructExampleCode(codegenProperty.items, modelMaps, processedModelMap) + "}";
         } else if (codegenProperty.isMap) { // map
-            return "map[string]string{ \"Key\" = \"Value\" }";
+            return codegenProperty.dataType + "{ \"key\": " + constructExampleCode(codegenProperty.items, modelMaps, processedModelMap) + "}";
         } else if (codegenProperty.isPrimitiveType) { // primitive type
             if (codegenProperty.isString) {
                 if (StringUtils.isEmpty(codegenProperty.example)) {
@@ -519,7 +519,7 @@ private String constructExampleCode(CodegenProperty codegenProperty, HashMap<Str
                     return "false";
                 }
             } else if (codegenProperty.isUri) { // URL
-                return "\"https://example.com\")!";
+                return "\"https://example.com\"";
             } else if (codegenProperty.isDateTime || codegenProperty.isDate) { // datetime or date
                 return "time.Now()";
             } else { // numeric
@@ -565,13 +565,10 @@ private String constructExampleCode(CodegenModel codegenModel, HashMap<String, C
             processedModelMap.put(model, 1);
         }
 
-        example = "" + goImportAlias + "." + codegenModel.name + "{";
         List<String> propertyExamples = new ArrayList<>();
-        for (CodegenProperty codegenProperty : codegenModel.allVars) {
-            propertyExamples.add(codegenProperty.name + ": " + constructExampleCode(codegenProperty, modelMaps, processedModelMap));
+        for (CodegenProperty codegenProperty : codegenModel.requiredVars) {
+            propertyExamples.add(constructExampleCode(codegenProperty, modelMaps, processedModelMap));
         }
-        example += StringUtils.join(propertyExamples, ", ");
-        example += "}";
-        return example;
+        return "*" + goImportAlias + ".New" + codegenModel.name + "(" + StringUtils.join(propertyExamples, ", ") + ")";
     }
 }
diff --git a/samples/client/petstore/go/go-petstore/docs/AnotherFakeApi.md b/samples/client/petstore/go/go-petstore/docs/AnotherFakeApi.md
index 34b688fc734f..6243abe3c4d7 100644
--- a/samples/client/petstore/go/go-petstore/docs/AnotherFakeApi.md
+++ b/samples/client/petstore/go/go-petstore/docs/AnotherFakeApi.md
@@ -29,7 +29,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.Client{Client: "Client_example"} // Client | client model
+    body := *openapiclient.NewClient() // Client | client model
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/client/petstore/go/go-petstore/docs/FakeApi.md b/samples/client/petstore/go/go-petstore/docs/FakeApi.md
index 6a627902f9b5..0b26ad9d210b 100644
--- a/samples/client/petstore/go/go-petstore/docs/FakeApi.md
+++ b/samples/client/petstore/go/go-petstore/docs/FakeApi.md
@@ -42,7 +42,7 @@ import (
 )
 
 func main() {
-    xmlItem := openapiclient.XmlItem{AttributeString: "AttributeString_example", AttributeNumber: 123, AttributeInteger: 123, AttributeBoolean: true, WrappedArray: []int32{123), NameString: "NameString_example", NameNumber: 123, NameInteger: 123, NameBoolean: true, NameArray: []int32{123), NameWrappedArray: []int32{123), PrefixString: "PrefixString_example", PrefixNumber: 123, PrefixInteger: 123, PrefixBoolean: true, PrefixArray: []int32{123), PrefixWrappedArray: []int32{123), NamespaceString: "NamespaceString_example", NamespaceNumber: 123, NamespaceInteger: 123, NamespaceBoolean: true, NamespaceArray: []int32{123), NamespaceWrappedArray: []int32{123), PrefixNsString: "PrefixNsString_example", PrefixNsNumber: 123, PrefixNsInteger: 123, PrefixNsBoolean: true, PrefixNsArray: []int32{123), PrefixNsWrappedArray: []int32{123)} // XmlItem | XmlItem Body
+    xmlItem := *openapiclient.NewXmlItem() // XmlItem | XmlItem Body
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -172,7 +172,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.OuterComposite{MyNumber: 123, MyString: "MyString_example", MyBoolean: false} // OuterComposite | Input composite as post body (optional)
+    body := *openapiclient.NewOuterComposite() // OuterComposite | Input composite as post body (optional)
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -370,7 +370,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.FileSchemaTestClass{File: openapiclient.File{SourceURI: "SourceURI_example"}, Files: []File{openapiclient.File{SourceURI: "SourceURI_example"})} // FileSchemaTestClass | 
+    body := *openapiclient.NewFileSchemaTestClass() // FileSchemaTestClass | 
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -433,7 +433,7 @@ import (
 
 func main() {
     query := "query_example" // string | 
-    body := openapiclient.User{Id: int64(123), Username: "Username_example", FirstName: "FirstName_example", LastName: "LastName_example", Email: "Email_example", Password: "Password_example", Phone: "Phone_example", UserStatus: 123} // User | 
+    body := *openapiclient.NewUser() // User | 
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -498,7 +498,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.Client{Client: "Client_example"} // Client | client model
+    body := *openapiclient.NewClient() // Client | client model
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -574,8 +574,8 @@ func main() {
     float := 987 // float32 | None (optional)
     string_ := "string__example" // string | None (optional)
     binary := 987 // *os.File | None (optional)
-    date := Get-Date // string | None (optional)
-    dateTime := Get-Date // time.Time | None (optional)
+    date := time.Now() // string | None (optional)
+    dateTime := time.Now() // time.Time | None (optional)
     password := "password_example" // string | None (optional)
     callback := "callback_example" // string | None (optional)
 
@@ -804,7 +804,7 @@ import (
 )
 
 func main() {
-    param := map[string]string{ "Key" = "Value" } // map[string]string | request body
+    param := map[string]string{ "key": "Inner_example"} // map[string]string | request body
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md b/samples/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md
index 2bc39f0bcb68..b206d05d09c7 100644
--- a/samples/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md
+++ b/samples/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md
@@ -29,7 +29,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.Client{Client: "Client_example"} // Client | client model
+    body := *openapiclient.NewClient() // Client | client model
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/client/petstore/go/go-petstore/docs/PetApi.md b/samples/client/petstore/go/go-petstore/docs/PetApi.md
index e94f6bfa28a2..0eee7dd8be77 100644
--- a/samples/client/petstore/go/go-petstore/docs/PetApi.md
+++ b/samples/client/petstore/go/go-petstore/docs/PetApi.md
@@ -35,7 +35,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.Pet{Id: int64(123), Category: openapiclient.Category{Id: int64(123), Name: "Name_example"}, Name: "Name_example", PhotoUrls: []string{"PhotoUrls_example"), Tags: []Tag{openapiclient.Tag{Id: int64(123), Name: "Name_example"}), Status: "Status_example"} // Pet | Pet object that needs to be added to the store
+    body := *openapiclient.NewPet("Name_example", []string{"PhotoUrls_example"}) // Pet | Pet object that needs to be added to the store
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -367,7 +367,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.Pet{Id: int64(123), Category: openapiclient.Category{Id: int64(123), Name: "Name_example"}, Name: "Name_example", PhotoUrls: []string{"PhotoUrls_example"), Tags: []Tag{openapiclient.Tag{Id: int64(123), Name: "Name_example"}), Status: "Status_example"} // Pet | Pet object that needs to be added to the store
+    body := *openapiclient.NewPet("Name_example", []string{"PhotoUrls_example"}) // Pet | Pet object that needs to be added to the store
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/client/petstore/go/go-petstore/docs/StoreApi.md b/samples/client/petstore/go/go-petstore/docs/StoreApi.md
index bc0ac9b80294..0e9c4a8ec558 100644
--- a/samples/client/petstore/go/go-petstore/docs/StoreApi.md
+++ b/samples/client/petstore/go/go-petstore/docs/StoreApi.md
@@ -229,7 +229,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.Order{Id: int64(123), PetId: int64(123), Quantity: 123, ShipDate: "TODO", Status: "Status_example", Complete: false} // Order | order placed for purchasing the pet
+    body := *openapiclient.NewOrder() // Order | order placed for purchasing the pet
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/client/petstore/go/go-petstore/docs/UserApi.md b/samples/client/petstore/go/go-petstore/docs/UserApi.md
index 5df5e7335898..9eccb9144d03 100644
--- a/samples/client/petstore/go/go-petstore/docs/UserApi.md
+++ b/samples/client/petstore/go/go-petstore/docs/UserApi.md
@@ -36,7 +36,7 @@ import (
 )
 
 func main() {
-    body := openapiclient.User{Id: int64(123), Username: "Username_example", FirstName: "FirstName_example", LastName: "LastName_example", Email: "Email_example", Password: "Password_example", Phone: "Phone_example", UserStatus: 123} // User | Created user object
+    body := *openapiclient.NewUser() // User | Created user object
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -98,7 +98,7 @@ import (
 )
 
 func main() {
-    body := []User{openapiclient.User{Id: int64(123), Username: "Username_example", FirstName: "FirstName_example", LastName: "LastName_example", Email: "Email_example", Password: "Password_example", Phone: "Phone_example", UserStatus: 123}} // []User | List of user object
+    body := []User{*openapiclient.NewUser()} // []User | List of user object
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/openapi3/client/petstore/go/go-petstore/docs/AnotherFakeApi.md b/samples/openapi3/client/petstore/go/go-petstore/docs/AnotherFakeApi.md
index 90e9fe7f08eb..cd383de7c66c 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/docs/AnotherFakeApi.md
+++ b/samples/openapi3/client/petstore/go/go-petstore/docs/AnotherFakeApi.md
@@ -29,7 +29,7 @@ import (
 )
 
 func main() {
-    client := openapiclient.Client{Client: "Client_example"} // Client | client model
+    client := *openapiclient.NewClient() // Client | client model
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/openapi3/client/petstore/go/go-petstore/docs/FakeApi.md b/samples/openapi3/client/petstore/go/go-petstore/docs/FakeApi.md
index 76e258a8da8f..2380fafb0dd0 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/docs/FakeApi.md
+++ b/samples/openapi3/client/petstore/go/go-petstore/docs/FakeApi.md
@@ -167,7 +167,7 @@ import (
 )
 
 func main() {
-    outerComposite := openapiclient.OuterComposite{MyNumber: 123, MyString: "MyString_example", MyBoolean: false} // OuterComposite | Input composite as post body (optional)
+    outerComposite := *openapiclient.NewOuterComposite() // OuterComposite | Input composite as post body (optional)
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -365,7 +365,7 @@ import (
 )
 
 func main() {
-    fileSchemaTestClass := openapiclient.FileSchemaTestClass{File: openapiclient.File{SourceURI: "SourceURI_example"}, Files: []File{openapiclient.File{SourceURI: "SourceURI_example"})} // FileSchemaTestClass | 
+    fileSchemaTestClass := *openapiclient.NewFileSchemaTestClass() // FileSchemaTestClass | 
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -428,7 +428,7 @@ import (
 
 func main() {
     query := "query_example" // string | 
-    user := openapiclient.User{Id: int64(123), Username: "Username_example", FirstName: "FirstName_example", LastName: "LastName_example", Email: "Email_example", Password: "Password_example", Phone: "Phone_example", UserStatus: 123, ArbitraryObject: 123, ArbitraryNullableObject: 123, ArbitraryTypeValue: 123, ArbitraryNullableTypeValue: 123} // User | 
+    user := *openapiclient.NewUser() // User | 
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -493,7 +493,7 @@ import (
 )
 
 func main() {
-    client := openapiclient.Client{Client: "Client_example"} // Client | client model
+    client := *openapiclient.NewClient() // Client | client model
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -569,8 +569,8 @@ func main() {
     float := 987 // float32 | None (optional)
     string_ := "string__example" // string | None (optional)
     binary := 987 // *os.File | None (optional)
-    date := Get-Date // string | None (optional)
-    dateTime := Get-Date // time.Time | None (optional)
+    date := time.Now() // string | None (optional)
+    dateTime := time.Now() // time.Time | None (optional)
     password := "password_example" // string | None (optional)
     callback := "callback_example" // string | None (optional)
 
@@ -799,7 +799,7 @@ import (
 )
 
 func main() {
-    requestBody := map[string]string{ "Key" = "Value" } // map[string]string | request body
+    requestBody := map[string]string{ "key": "Inner_example"} // map[string]string | request body
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/openapi3/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md b/samples/openapi3/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md
index aaadff4ad114..27a260ff8130 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md
+++ b/samples/openapi3/client/petstore/go/go-petstore/docs/FakeClassnameTags123Api.md
@@ -29,7 +29,7 @@ import (
 )
 
 func main() {
-    client := openapiclient.Client{Client: "Client_example"} // Client | client model
+    client := *openapiclient.NewClient() // Client | client model
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/openapi3/client/petstore/go/go-petstore/docs/PetApi.md b/samples/openapi3/client/petstore/go/go-petstore/docs/PetApi.md
index b4ad71ad07cf..8e9728e0d2bd 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/docs/PetApi.md
+++ b/samples/openapi3/client/petstore/go/go-petstore/docs/PetApi.md
@@ -35,7 +35,7 @@ import (
 )
 
 func main() {
-    pet := openapiclient.Pet{Id: int64(123), Category: openapiclient.Category{Id: int64(123), Name: "Name_example"}, Name: "Name_example", PhotoUrls: []string{"PhotoUrls_example"), Tags: []Tag{openapiclient.Tag{Id: int64(123), Name: "Name_example"}), Status: "Status_example"} // Pet | Pet object that needs to be added to the store
+    pet := *openapiclient.NewPet("Name_example", []string{"PhotoUrls_example"}) // Pet | Pet object that needs to be added to the store
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -367,7 +367,7 @@ import (
 )
 
 func main() {
-    pet := openapiclient.Pet{Id: int64(123), Category: openapiclient.Category{Id: int64(123), Name: "Name_example"}, Name: "Name_example", PhotoUrls: []string{"PhotoUrls_example"), Tags: []Tag{openapiclient.Tag{Id: int64(123), Name: "Name_example"}), Status: "Status_example"} // Pet | Pet object that needs to be added to the store
+    pet := *openapiclient.NewPet("Name_example", []string{"PhotoUrls_example"}) // Pet | Pet object that needs to be added to the store
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/openapi3/client/petstore/go/go-petstore/docs/StoreApi.md b/samples/openapi3/client/petstore/go/go-petstore/docs/StoreApi.md
index 1702bf74223d..097fac90ec99 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/docs/StoreApi.md
+++ b/samples/openapi3/client/petstore/go/go-petstore/docs/StoreApi.md
@@ -229,7 +229,7 @@ import (
 )
 
 func main() {
-    order := openapiclient.Order{Id: int64(123), PetId: int64(123), Quantity: 123, ShipDate: "TODO", Status: "Status_example", Complete: false} // Order | order placed for purchasing the pet
+    order := *openapiclient.NewOrder() // Order | order placed for purchasing the pet
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
diff --git a/samples/openapi3/client/petstore/go/go-petstore/docs/UserApi.md b/samples/openapi3/client/petstore/go/go-petstore/docs/UserApi.md
index 8354066eab4b..4c89c0be9276 100644
--- a/samples/openapi3/client/petstore/go/go-petstore/docs/UserApi.md
+++ b/samples/openapi3/client/petstore/go/go-petstore/docs/UserApi.md
@@ -36,7 +36,7 @@ import (
 )
 
 func main() {
-    user := openapiclient.User{Id: int64(123), Username: "Username_example", FirstName: "FirstName_example", LastName: "LastName_example", Email: "Email_example", Password: "Password_example", Phone: "Phone_example", UserStatus: 123, ArbitraryObject: 123, ArbitraryNullableObject: 123, ArbitraryTypeValue: 123, ArbitraryNullableTypeValue: 123} // User | Created user object
+    user := *openapiclient.NewUser() // User | Created user object
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)
@@ -98,7 +98,7 @@ import (
 )
 
 func main() {
-    user := []User{openapiclient.User{Id: int64(123), Username: "Username_example", FirstName: "FirstName_example", LastName: "LastName_example", Email: "Email_example", Password: "Password_example", Phone: "Phone_example", UserStatus: 123, ArbitraryObject: 123, ArbitraryNullableObject: 123, ArbitraryTypeValue: 123, ArbitraryNullableTypeValue: 123}} // []User | List of user object
+    user := []User{*openapiclient.NewUser()} // []User | List of user object
 
     configuration := openapiclient.NewConfiguration()
     api_client := openapiclient.NewAPIClient(configuration)