A_to_Z.java

import java.util.logging.*;

public class A_to_Z
{
public static void main(String[] args)
{
Thread t = new Thread(() ->
{
while(true)
{
for(char ch = 'A'; ch <= 'Z'; ch++)
System.out.print(ch + " ");
System.out.println();

            try 
            {
                Thread.sleep(2000);
            } 
            catch (InterruptedException ex) 
            {
                Logger.getLogger(A_to_Z.class.getName()).log(Level.SEVERE, null, ex);
            }
            System.out.println("2 seconds are passed....");
        }
    });
    
    t.start();