Index: typescript/src/index.ts
===================================================================
diff -u -re981fb5b18ea68705478a7b16d62c5eb64614e7a -rfa30bc920677c99798fd0d29670c4ad28f83c4c2
--- typescript/src/index.ts	(.../index.ts)	(revision e981fb5b18ea68705478a7b16d62c5eb64614e7a)
+++ typescript/src/index.ts	(.../index.ts)	(revision fa30bc920677c99798fd0d29670c4ad28f83c4c2)
@@ -95,6 +95,6 @@
 carExtImpl.sound();
 carExtImpl.stop();
 
-const objExtCarImpl = new ObjExtCarImpl();
+const objExtCarImpl = new ObjExtCarImpl("이름","색상","모델");
 console.log("<- 확장된 객체를 다시 확장한 인스턴스 사용 -> ");
 objExtCarImpl.start();
\ No newline at end of file
Index: typescript/src/standard/CarExtImpl.ts
===================================================================
diff -u -re981fb5b18ea68705478a7b16d62c5eb64614e7a -rfa30bc920677c99798fd0d29670c4ad28f83c4c2
--- typescript/src/standard/CarExtImpl.ts	(.../CarExtImpl.ts)	(revision e981fb5b18ea68705478a7b16d62c5eb64614e7a)
+++ typescript/src/standard/CarExtImpl.ts	(.../CarExtImpl.ts)	(revision fa30bc920677c99798fd0d29670c4ad28f83c4c2)
@@ -2,17 +2,18 @@
 
 //CarExtImpl 클래스 선언
 export default class CarExtImpl implements CarExt {
+
     name = "K5"
     color = "white"
     car_name = "benz els 550"
+
     sound(){
-        console.log("그르르")
+        console.log(this.car_name + "그르르");
     }
     start(){
         console.log("출발")
     }
-
-    stop(){
-        console.log("정차")
+    stop = (): void => {
+        console.log("정차");
     }
 }
\ No newline at end of file
Index: typescript/src/standard/ObjExtCarImpl.ts
===================================================================
diff -u -re981fb5b18ea68705478a7b16d62c5eb64614e7a -rfa30bc920677c99798fd0d29670c4ad28f83c4c2
--- typescript/src/standard/ObjExtCarImpl.ts	(.../ObjExtCarImpl.ts)	(revision e981fb5b18ea68705478a7b16d62c5eb64614e7a)
+++ typescript/src/standard/ObjExtCarImpl.ts	(.../ObjExtCarImpl.ts)	(revision fa30bc920677c99798fd0d29670c4ad28f83c4c2)
@@ -3,4 +3,10 @@
 //ObjExtCarImpl 클래스 선언
 export default class ObjExtCarImpl extends CarExtImpl {
 
+    constructor(name: string, color: string, car_name: string) {
+        super();
+        this.name = name;
+        this.color = color;
+        this.car_name = car_name;
+    }
 }
\ No newline at end of file