Get User Input From a JTextField and Validate it Using Java (GUI JFrame)

[@santamak]

i couldnt focus on learning because of all the screeming

[@kmow_illonesotho916]

Mr max o sir
Please do a video about this code .
import java.util.Scanner;
import javax.swing.JOptionPane;
public class EasyKanban {
private static final String WELCOME_MESSAGE = "Welcome to EasyKanban";
private static final String[] TASK_STATUS_OPTIONS = {"To Do", "Done", "Doing"};
private static int numTasks;
public static void main(String[] args) {
JOptionPane.showMessageDialog(null, WELCOME_MESSAGE);
login();
numTasks = readNumTasks();
Task[] tasks = new Task[numTasks];
for (int i = 0; i < numTasks; i++) {
tasks[i] = readTask(i);
JOptionPane.showMessageDialog(null, tasks[i].printTaskDetails());
}
JOptionPane.showMessageDialog(null, "Total hours: " + getTotalHours(tasks));
}
private static void login() {
boolean success = false;
while (!success) {
String username = JOptionPane.showInputDialog(null, "Enter username:");
String password = JOptionPane.showInputDialog(null, "Enter password:");
if (username.equals("admin") && password.equals("password")) {
success = true;
} else {
JOptionPane.showMessageDialog(null, "Invalid login, please try again.");
}
}
}
private static int readNumTasks() {
String input = JOptionPane.showInputDialog(null, "Enter number of tasks:");
return Integer.parseInt(input);
}
private static Task readTask(int taskNumber) {
String taskName = JOptionPane.showInputDialog(null, "Enter task name for Task " + taskNumber + ":");
String taskDescription = "";
boolean valid = false;
while (!valid) {
taskDescription = JOptionPane.showInputDialog(null, "Enter task description for Task " + taskNumber + ":");
valid = Task.checkTaskDescription(taskDescription);
if (!valid) {
JOptionPane.showMessageDialog(null, "Please enter a task description of less than 50 characters");
}
}
String developerDetails = JOptionPane.showInputDialog(null, "Enter developer details for Task " + taskNumber + ":");
String taskDuration = JOptionPane.showInputDialog(null, "Enter task duration (hours) for Task " + taskNumber + ":");
Task task = new Task(taskName, taskDescription, developerDetails, Integer.parseInt(taskDuration));
return task;
}
private static int getTotalHours(Task[] tasks) {
int totalHours = 0;
for (Task task : tasks) {
totalHours += task.getTaskDuration();
}
return totalHours;
}
private static class Task {
private static int nextTaskNumber = 0;
private String taskName;
private int taskNumber;
private String taskDescription;
private String developerDetails;
private int taskDuration;
private String taskID;
private String taskStatus;
public Task(String taskName, String taskDescription, String developerDetails, int taskDuration) {
this.taskName = taskName;
this.taskNumber = nextTaskNumber++;
this.taskDescription = taskDescription;
this.developerDetails = developerDetails;
this.taskDuration = taskDuration;
this.taskID = createTaskID();
this.taskStatus = TASK_STATUS_OPTIONS[0];
}
public static boolean checkTaskDescription(String taskDescription) {
return taskDescription.length()

[@kmow_illonesotho916]

Actually it doesn't run