Thread demo.txt

What are threads?
Threads are a virtual CPU.

The three parts of at thread are:
• CPU
• Code
• Data

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Class HelloRunner is a user defined java class

keyword 

implements interface name -> extending the interface

methods should be defined 

interface name ->Runnable
interface method ->run() defined

how many threads are there in this code

1. main thread is a default
2. child thread

when ever we create a thread it is always
child thread

public class ThreadTester {
 public static void main(String args[]) {
 HelloRunner r = new HelloRunner();
 Thread t = new Thread(r);
 t.start();
 }
 }
 class HelloRunner implements Runnable {
 int i;
 public void run() {
 i = 0;
 while (true) {
 System.out.println("Hello " + i++);
 if ( i == 50 ) {
 break;
 }
 }
 }
 }
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