In PHP, you can group an array of arrays (subarrays) by the value of a specific key in each subarray using the array_reduce() function.
To sort a List alphabetically in Java, you can use the Collections.sort method and pass in your List as an argument.
In Python, dictionaries are unordered collections of key-value pairs.
You can use the sorted() function and pass it the dictionary, along with the key parameter set to a lambda function that returns the value from the dictionary.
To sort a list of dictionaries by a value of the dictionary, you can use the sorted() function and specify the key parameter to be a lambda function that returns the value you want to sort by.
In Java, you can convert a Collection (such as Set, Queue, etc.) to a List using the following methods:
To sort a HashMap in Java, you can use the TreeMap class, which is a Map implementation that maintains its entries in ascending order, sorted according to the keys.
You can use the sort method of a list and pass in a key argument, which is a function that takes an object and returns the value on which you want to sort the list.
To sort a List or ArrayList in Java, you can use the sort method of the Collections class from the java.util package. The sort method takes a List and sorts it in ascending order according to the natural ordering of its elements.
You can use the sorted() function with the key parameter to specify a function that extracts the element at the desired index.