//Example1=========================
                    // Class
                      class User {
                        private name: string;
                        private readonly city: string;
                        public country: string;

                        public constructor(name: string) {
                          this.name = name;
                        }

                        public getName(): string {
                          return this.name;
                        }
                      }

                      const user = new User('Jane');
                      console.log(user.getName());
                      user.name; // its not accessible from outside the class since its private
                    //Example 2========================
                      class Admin {
                        name: string = 'A';
                        age: number = 18;
                        skills: string[] = ['B', 'C', 'D', 'E', 'F'];

                        constructor(name: string, age: number, skills: string[]) {
                          this.name = name;
                          this.age = age;
                          this.skills = skills;
                        }

                        show(): string {
                          return `I am ${this.name},${this.age} years old, having skills in ${this.skills}`;
                        }
                      }

                      type Data = {
                        name: string;
                        age: number;
                        skills: string[];
                        roleNo: number;
                        subject: string;
                      };

                      class User extends Admin {
                        role_no: number;
                        subject: string;
                        constructor(
                          name: string,
                          age: number,
                          skills: string[],
                          roleNo: number,
                          subject: string
                        ) {
                          super(name, age, skills);
                          this.role_no = roleNo;
                          this.subject = subject;
                        }

                        show(): string {
                          return `${super.show()} and roll number is : ${
                            this.role_no
                          } my faourite subjects : ${this.subject}`;
                        }
                      }

                      const admin = new Admin('Saten', 36, ['React', 'Web', 'Mobile', 'DevOps']);
                      const user = new User(
                        'Pratap',
                        33,
                        ['Typescript', 'Web', 'Mobile', 'DevOps'],
                        450,
                        'Mathmetics'
                      );
                      console.log(obj.show());