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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. class Q { int n; synchronized int get() { System.out.println("Got n :"+n); return n; } synchronized void put(int n) { this.n = n; System.out.println("Put n :"+n); } }
  8.  
  9. class Producer implements Runnable
  10. {
  11.     Q q1;
  12.     Producer(Q q)
  13.     {
  14.         this.q1 = q;
  15.         new Thread(this).start(); 
  16.     }
  17.     public void run()
  18.     {
  19.         int i =0;
  20.         q1.put(i++);
  21.     }
  22. }
  23.  
  24. class Consumer implements Runnable
  25. {
  26.     Q q1;
  27.     Consumer(Q q)
  28.     {
  29.         this.q1 = q;
  30.         new Thread(this).start();
  31.     }
  32.     public void run()
  33.     {
  34.         q1.get();
  35.     }
  36. }
  37. /* Name of the class has to be "Main" only if the class is public. */
  38. class Ideone
  39. {
  40.  
  41.  
  42. 	public static void main (String[] args) throws java.lang.Exception
  43. 	{
  44. 		Q q = new Q();
  45.         new Producer(q);
  46.         new Consumer(q);
  47. 	}
  48. }
Success #stdin #stdout 0.1s 321152KB
comments (?)
stdin
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Standard input is empty
stdout
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Put n :0
Got n :0
https://ideone.com/HdA0sP
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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