item « HashMap « Java Collection Q&A

1. Removing all items of a given value from a hashmap    stackoverflow.com

So I have a java hashmap like below:

hMap.put("1", "One");
hMap.put("2", "Two");
hMap.put("3", "Two");

hmap.values().remove("Two");

2. removing item from HashMap, Java Question?    stackoverflow.com

Hi i want to remove an item from HashMap, by applying a criteria. Consider this code:

    Set set = myMap.keySet();
    Iterator itr = set.iterator();
  ...

3. How to avoid items being re-ordered when put into java HashMap    stackoverflow.com

I'm creating a new Map and pushing strings into it (no big deal) -but I've noticed that the strings are being re-ordered as the map grows. Is it possible to stop ...

4. storing and retrieving items in a HashMap    coderanch.com

Back again with new questions, I used the idea of creating a Part which would contain partNumber, description, quantity. I then put it into a HashMap like this myMap.put(partNumber.getText(), a); so now I've got a map, myMap with a key value of parNumber and a, as an object. How do I get the values out of a. Say I want to ...

5. Cannot return items from a hashmap    java-forums.org

Room values are still null <>code<> Here is main: import java.util.*; public class testx extends junit.framework.TestCase { private Parser parser1; private Game game1; private ArrayList cmds; private Cmd c1; private Room cr; public testx(){ } protected void setUp() { parser1 = new Parser(); game1 = new Game(); cmds=new ArrayList(); cr=new Room("test"); } protected void tearDown() { } public void fA(){ cmds.add(new ...

6. Easy Question - Removing an item from a hashmap    forums.oracle.com