Try Runnable

package com.evs.objava33.class14;

public class TryRunnable implements Runnable {

private String firstName;
private String lastName;
private Long delay;

public TryRunnable(String firstName, String lastName, Long delay) {
this.firstName = firstName;
this.lastName = lastName;
this.delay = delay;
}

public void run() {
while (true) {
System.out.println(firstName);
try {
Thread.sleep(delay);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(lastName);
}
}

public static void main(String[] args) {
Thread first = new Thread(new TryRunnable("Asif", "Sajjad", 2000L),
"First");
Thread second = new Thread(new TryRunnable("Shahzad", "Masud", 3000L),
"Second");
Thread third = new Thread(new TryThread("Kamran", "Ahmad", 5000L),
"Third");

//first.setDaemon(true);
first.start();
second.start();
third.start();
}
}