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public class Microphone {
private static final Logger LOG = LoggerFactory.getLogger(Microphone.class);
public Son son = new Son();
class Son{
public String sss = "33";
}
public static void main(String[] args) {
ConcurrentHashMap map = new ConcurrentHashMap();
Microphone c = new Microphone();
map.put(2, c);
Microphone o = (Microphone) map.get(2);
o.son = null;
Iterator<Object> iterator=map.values().iterator();
while(iterator.hasNext()){
Microphone d= (Microphone)iterator.next();
System.out.println( d.son.sss );
}
}
}
public class Microphone {
private static final Logger LOG = LoggerFactory.getLogger(Microphone.class);
public String s = "111";
public static void main(String[] args) {
ConcurrentHashMap map = new ConcurrentHashMap();
Microphone c = new Microphone();
map.put(2, c);
c = null;
Iterator<Object> iterator=map.values().iterator();
while(iterator.hasNext()){
Object o=iterator.next();
System.out.println( c.s );
}
}
}