array.ts

 class ArrayJoy {
   elements: string[];
   private length: number
   private index :number;
 

   constructor(elements: string[]){
    this.elements = elements;
    this.length = elements.length;
    if (elements.length === 0) {
      this.index = 0; // If the array is empty, set index to 0
    }else{
      this.index = elements.length - 1;
    }
  }

  push(element: string): void {
    //add the new element to the end of the array
    this.elements[this.index+1] = element

    // increment the length of the array
    this.length++;
    this.index++;
  }

   getLength(): number {
     return this.firstName.length;
   }

   addLetter(letter: string): void { //can't say firstName because we're telling the computer that it should add a letter and not a name so that is why it is letter.string and not firstName.string
     this.firstName.push(letter);
   }
  
   removeLastLetter(): void {
     this.firstName.pop();
   }

   removeFirstLetter(): void {
     this.firstName.shift();
   }

   displayName(): void {
     console.log("Name as string:", this.firstName.join(""))
   }
}



const myName = new ArrayJoy([]);

myName.push("J");

//myName.pop();
// myName.shift();
// myName.displayName();
// console.log(myName);
// console.log(myName.length);



   const lastName = ["O", "B", "A", "Y", "I"];
   console.log(firstName);
   console.log(lastName);

 const myArray = ["film", "crazy"];

  console.log(myArray);

 const firstName = ["J", "O", "Y"];
 console.log(firstName.join(""));