key-value Archives - IT Nursery

What is the difference between a map and a dictionary?

I know a map is a data structure that maps keys to values. Isn’t a dictionary the same? What is the difference between ...

May 23, 2022
0 Comments

A KeyValuePair in Java [duplicate]

This question already has answers here: A Java collection of value pairs? (tuples?) (21 answers) Closed 2 years ago. I’m looking for a ...

May 22, 2022
0 Comments

How do you create a dictionary in Java? [closed]

It’s difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably ...

May 20, 2022
0 Comments

for each loop in Objective-C for accessing NSMutable dictionary

I am finding some difficulty in accessing mutable dictionary keys and values in Objective-C. Suppose I have this: NSMutableDictionary *xyz=[...

May 18, 2022
0 Comments

Java – How to create new Entry (key, value)

I’d like to create new item that similarly to Util.Map.Entry that will contain the structure key, value. The problem is that I can’t ...

May 11, 2022
0 Comments

How to iterate over associative arrays in Bash

Based on an associative array in a Bash script, I need to iterate over it to get the key and value. #!/bin/bash declare ...

May 7, 2022
0 Comments

How to create dictionary and add key–value pairs dynamically?

From post: Sending a JSON array to be received as a Dictionary<string,string> I’m trying to do this same thing as that post. The ...

May 7, 2022
0 Comments

The default for KeyValuePair

I have an object of the type IEnumerable<KeyValuePair<T,U>> keyValueList, I am using var getResult= keyValueList.SingleOrDefault(); if(getResult==/*default */) { } else { } How ...

May 5, 2022
0 Comments

Java Class that implements Map and keeps insertion order?

I’m looking for a class in java that has key-value association, but without using hashes. Here is what I’m currently doing: Add values ...

May 1, 2022
0 Comments