Passing Data One JFrame to Another Using Java

This tutorial will teach you  how to send the data from one jframe to another Using java.data will be displayed on the second jframe.in the example i am going to teach add two number to calculating the total.the total will be displayed on the second jframe.

paste the code inside the send button

 int num1,num2,tot;
        
num1 = Integer.parseInt(txtno1.getText());
num2 = Integer.parseInt(txtno2.getText());
tot = num1 + num2;
               
new second(tot).setVisible(true);

public class second extends javax.swing.JFrame {
    public second() {
        initComponents();
    }
    int total;
    second(int tot) 
    {
        initComponents();
        this.total = tot;
        txttot.setText(String.valueOf(total));       
    }

i have attached the video link below. which will do this tutorials step by step.