< subject test import java. util. concurrent.*; public class main ( public static void main(string[] args) concurrenthashmap chm = new concurrenthashmap (); chm. put(1, "welcome"); chm. put(2, "to"); chm. put(3, "java"); chm. put (4, "world"); chm. putifabsent (3, "world"); system. out. println("elements: "+ chm); chm. remove (2, "welcome"); system. out. println("elements after key 2 is removed: "+chm); chm. putifabsent (3, "java's"); system. out. println("add new:,"+chm); chm. replace(3, "java", "java new"); system. out. println("after replacing: "+ chm); Get the answer
Category: art | Author: Valko Tomer