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  1. //package arash.blogger.example.thread;
  2. /**
  3.    * by Arash M. Dehghani
  4.    * arashmd.blogspot.com
  5.    */
  6. class Core {
  7.  public static void main(String[] args) {
  8.   Runnable r0,r1;//pointers to thread methods
  9.   r0=new FirstIteration(); //init Runnable 
  10.   r1=new SecondIteration();
  11.   Thread t0,t1;//Thread class is used for starting a thread (runnable instance)
  12.   t0=new Thread(r0);//init thread object, but haven't started yet
  13.   t1=new Thread(r1);
  14.   t0.start();//start the thread simultaneously
  15.   t1.start();
  16.   System.out.print("Threads started, no surprise here!\n");
  17.  }
  18. }
  19. class FirstIteration implements Runnable{
  20.  @Override
  21.  public void run() {//thread starts from here
  22.   for(int i=0;i<20;i++){
  23.    System.out.print("Hello from 1st. thread, iteration="+i+"\n");
  24.   }
  25.  }
  26. }
  27. class SecondIteration implements Runnable{
  28.  @Override
  29.  public void run() {
  30.   for(int i=0;i<20;i++){
  31.    System.out.print("who just called 2st. thread? iteration="+i+"\n");
  32.   }
  33.  }
  34. }
Success #stdin #stdout 0.07s 382208KB
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stdin
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Standard input is empty
stdout
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Hello from 1st. thread, iteration=0
Hello from 1st. thread, iteration=1
Hello from 1st. thread, iteration=2
Hello from 1st. thread, iteration=3
Hello from 1st. thread, iteration=4
Hello from 1st. thread, iteration=5
Hello from 1st. thread, iteration=6
Hello from 1st. thread, iteration=7
Hello from 1st. thread, iteration=8
Hello from 1st. thread, iteration=9
Hello from 1st. thread, iteration=10
Hello from 1st. thread, iteration=11
Hello from 1st. thread, iteration=12
Hello from 1st. thread, iteration=13
Hello from 1st. thread, iteration=14
Hello from 1st. thread, iteration=15
Hello from 1st. thread, iteration=16
Hello from 1st. thread, iteration=17
Hello from 1st. thread, iteration=18
Hello from 1st. thread, iteration=19
Threads started, no surprise here!
who just called 2st. thread? iteration=0
who just called 2st. thread? iteration=1
who just called 2st. thread? iteration=2
who just called 2st. thread? iteration=3
who just called 2st. thread? iteration=4
who just called 2st. thread? iteration=5
who just called 2st. thread? iteration=6
who just called 2st. thread? iteration=7
who just called 2st. thread? iteration=8
who just called 2st. thread? iteration=9
who just called 2st. thread? iteration=10
who just called 2st. thread? iteration=11
who just called 2st. thread? iteration=12
who just called 2st. thread? iteration=13
who just called 2st. thread? iteration=14
who just called 2st. thread? iteration=15
who just called 2st. thread? iteration=16
who just called 2st. thread? iteration=17
who just called 2st. thread? iteration=18
who just called 2st. thread? iteration=19
https://ideone.com/UIDVh9
language:
Java (12.0.1)
created:
10 years ago
visibility:
public

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