// _ _ __ ___ ____ __ _ ____ // / / | / / / _ \| ___| / / / | ___| // | | | / / | | | |___ \ / / | |___ \ // | | | / / | |_| |___) | / / | |___) | // |_|_| /_/ \___/|____/ /_/ |_|____/ // class Narsingdi { public static void narsingdi() { Thread narsingdiThread = new Thread(new Runnable() { @Override public void run() { // System.out.println("Narsingdi Thread"); Dhaka dhaka = new Dhaka(); dhaka.dhaka(); } }); narsingdiThread.start(); // System.out.println("Narsingdi Thread.ID : " + narsingdiThread.getId()); } } class Gazipur { public static void gazipur() { Thread gazipurThread = new Thread(new Runnable() { @Override public void run() { // System.out.println("Gazipur Thread"); Narsingdi narsingdi = new Narsingdi(); narsingdi.narsingdi(); } }); gazipurThread.start(); // System.out.println("Gazipur Thread.ID : " + gazipurThread.getId()); } } class Dhaka { public static void dhaka() { Thread dhakaThread = new Thread(new Runnable() { @Override public void run() { System.out.println("Dhaka Thread"); } }); dhakaThread.start(); // System.out.println("Dhaka Thread.ID : " + dhakaThread.getId()); } public class Gulshan { public void gulshan() { Thread gulshanThread = new Thread(new Runnable() { @Override public void run() { System.out.println("Gulshan Thread"); } }); gulshanThread.start(); } } } public class MultiThreadMultiClass { public static void main(String[] args) { new Dhaka().dhaka(); } }