Changing HashMap keys during iteration

by

Maybe this helps:

map.put(newkey,map.remove(oldkey));

More Related Contents:

  1. Iterate through a HashMap [duplicate]
  2. is the Java HashMap keySet() iteration order consistent?
  3. Remove Elements from a HashSet while Iterating [duplicate]
  4. What are the differences between a HashMap and a Hashtable in Java?
  5. Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a loop
  6. How to loop through a HashMap in JSP?
  7. How can I convert JSON to a HashMap using Gson?
  8. Cartesian product of an arbitrary number of sets
  9. Obtaining a powerset of a set in Java
  10. What is the easiest/best/most correct way to iterate through the characters of a string in Java?
  11. Java Set retain order?
  12. Is a HashMap thread-safe for different keys?
  13. Getting an element from a Set
  14. What is the significance of load factor in HashMap?
  15. Why there is no ConcurrentHashSet against ConcurrentHashMap
  16. Can an array be used as a HashMap key?
  17. Sorting hashmap based on keys
  18. What is the fastest way to compare two sets in Java?
  19. How to iterate through range of Dates in Java?
  20. What is the optimal capacity and load factor for a fixed-size HashMap?
  21. HashMap implementation in Java. How does the bucket index calculation work?
  22. HashMap to return default value for non-found keys?
  23. How can I iterate over a map of ?
  24. Memory overhead of Java HashMap compared to ArrayList
  25. Is it possible to merge iterators in Java?
  26. How does ConcurrentHashMap work internally?
  27. Convert Set to HashMap
  28. Why are immutable objects in hashmaps so effective?
  29. How to convert a string to a HashMap? [duplicate]
  30. Explain the timing causing HashMap.put() to execute an infinite loop

Leave a Comment