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import java.util.concurrent.*; class ConcurrentHashMapputAllExample2 { public static void main(String[] args) { ConcurrentHashMap
hashmap = new ConcurrentHashMap
(); hashmap.put("K1", "AAA"); hashmap.put("K2", "BBB"); hashmap.put("K3", "CCC"); hashmap.put("K4", "DDD"); hashmap.put("K5", "EEE"); System.out.println(" Mappings : "+ hashmap); ConcurrentHashMap
newhashmap = new ConcurrentHashMap
(); newhashmap.putAll(hashmap); System.out.println("New mappings : "+ newhashmap); } }
Output