How to get values and keys from HashMap?

Question

I\'m writing a simple edit text in Java. When the user opens it, a file will be opened in JTabbedPane. I did the following to save the files opened:

Answer 1

You could use iterator to do that:

For keys:

for (Iterator  itr= hash.keySet().iterator(); itr.hasNext();) {
    // use itr.next() to get the key value
}

You can use iterator similarly with values.