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LAB Activity 03252026

2026-03-25 13:47

Tags: #java

Author: Duke Hsu

Topic

  • Array
  • Array of object
  • for loop
  • Scanner

Note

After sc.nextInt(); and sc.nextDouble(); you need add sc.nextLine(); ```

Code:

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package arrayslabactvity;
import java.util.Scanner;

/**
 *
 * @author dukehsu
 */
public class ArraysLabActvity {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);


        //define array of object size .
        System.out.print("Plz enter number of Products: ");
        int numProducts = sc.nextInt();
        sc.nextLine();


        //create a array of object 
        Product[] products = new Product[numProducts];


        //for loop to ask user input product name and price
        for(int i=0; i<products.length; i++){

            Product p = new Product();  //create a object

            System.out.print("Plz Enter Product " +(i+1)+" Name: ");
            p.prodName=sc.nextLine();

            System.out.print("Plz Enter Product " +(i+1)+" Price: ");
            p.price = sc.nextDouble();
            sc.nextLine();

            products[i]=p;

        }//end of for loop

        System.out.println("--------");

        //use forloop to access the arrays
        for(int i = 0; i < numProducts; i++){
            products[i].display();
        }//end of for loop
    }//end of main methods
}

//Product Class
class Product{

    //attribute
    String prodName;
    double price;

    // display method
    void display(){
        System.out.println("Product Name is : " + prodName);
        System.out.println("Produc Price is: "+ price);
    }

}//end of Product class

References