import com.googlecode.concurrentlinkedhashmap.ConcurrentLinkedHashMap;
ConcurrentLinkedHashMap<String, Integer> map = new ConcurrentLinkedHashMap.Builder<String, Integer>()
.maximumWeightedCapacity(100)
.build();
for (int i = 0; i < 100; i++) {
final int index = i;
new Thread(() -> {
map.put("Key" + index, index);
}).start();
}
for (int i = 0; i < 100; i++) {
final int index = i;
new Thread(() -> {
Integer value = map.get("Key" + index);
System.out.println("Key" + index + ": " + value);
}).start();
}
