class SampleDataBase{ userList : User[] = [] constructor(){ this.userList.push(new User("aasda","asdasd")) this.userList.push(new User("aasda","asdasd")) this.userList.push(new User("aasda","asdasd")) this.userList.push(new User("aasda","asdasd")) this.userList.push(new User("aasda","asdasd")) } } class User { name; psw; constructor(name, psw){ this.name = name; this.psw = psw; } }