I have these 4 hashmaps and use them in code so I can show the comparison in an excel sheet. HashMap 1 - is with a key of unique id and value as another hashmap containing tagid as key and descriptio
Hey guys, I am using a hash_map to relate strings to one another, with this code: #include <string>
I want to have one DateWrapper - representing a date (built for Hibernate persistance, but this is another story) - at most existing at the same time for the same date.
What is the best way ? Just looping through and putting the key and zero, or is there another more elegant or existing library met开发者_开发技巧hod. I am also using Google\'s guava java library if t
I\'m encouraged by so many warm-hearted Java experts that I dare to throw another question todayfor help (all my questions are from real life projects - and since I\'m taking a shortcut for learning J
My goal is to create a map of maps so that I can retrieve info of the outer map by its key and then access its \"inner\" maps by their keys.
Recently I have conversation with a colleague about what would be the optimal way to convert List to Map in Java and if there any specific benefits of doing so.
I have a hashmap, I wish to get an array of the values in this hashmap, but I wish for the array to be sorted by the keys in the hashmap.
This is my first foray into java, and I am having trouble understanding how maps work. I have a for loop which appends maps of information into another map. However when I look at the outermost map it
I\'m using Java 6. For simplicity, everything will be public. Suppose I have this simple class. public class A{
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