public class ThreadScopeShareDataStudy {
private static int data = 0;
private static Map<Thread,Integer> dataMap = new HashMap<Thread,Integer>();
public static void main(String[] args) {
for(int i = 0;i<2;i++){
new Thread(new Runnable() {
@Override
public void run() {
int data = new Random().nextInt();
System.out.println(Thread.currentThread().getName()+" push into data "+data);
dataMap.put(Thread.currentThread(),data);
new A().get();
new B().get();
}
}).start();
}
}
static class A{
public void get(){
int data = dataMap.get(Thread.currentThread());
System.out.println("A from "+Thread.currentThread().getName()+" get data "+data);
}
}
static class B{
public void get(){
int data = dataMap.get(Thread.currentThread());
System.out.println("B from "+Thread.currentThread().getName()+" get data "+data);
}
}
} |
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