thread safe map for java

Question

i need a thread safe map, i have something like this: (i\'m very new to java)

 public static class Manager
        {
        static 
        {
//something wr         


        

Answer 1

from java.util.concurrent

ConcurrentHashMap
ConcurrentMap
ConcurrentNavigableMap
ConcurrentHashMap
ConcurrentSkipListMap

from java.util.Collections

Collections.synchronizedMap(Map m)
Collections.synchronizedNavigableMap(NavigableMap m)
Collections.synchronizedSortedMap(SortedMap m)