How do I sort a List in Apex?

How do I sort a List in Apex?

Default Sort Order for SelectOption The List. sort method sorts SelectOption elements in ascending order using the value and label fields, and is based on this comparison sequence. The value field is used for sorting first. If two value fields have the same value or are both empty, the label field is used.

How do I sort a List of dates?

Use sorted() to sort a list of datetime objects

1. yesterday = date. today() – timedelta(days=1)
2. today = date. today()
3. tomorrow = date. today() + timedelta(days=1)
4. date_list =[today, tomorrow, yesterday]
5. print(date_list)
6. sorted_list = sorted(date_list)
7. print(sorted_list)

How do I sort the wrapper List in Apex?

How to Sort Wrapper class Collection in Apex

1. Comparable Interface: To implement the Comparable Interface, you must declare global class with the implements keyword as follow:
2. compareTo() method: The compareTo() method must return following integer value.
3. Sample code.
4. Running the sample code in Developer Console:

How do you sort a List in lightning component?

Custom Sorting On Data Tables In Salesforce Lightning Component

1. Step 1 : Create Server Side Apex Controller. CustomSortingController. apxc. server side apex controller. public class CustomSortingController {
2. Step 2 : Create Custom Sorting Lightning Component. customSortComponent. cmp. custom sort lightning component code.

What is ICU collation?

The ICU Collation Service supports many levels of comparison (named “Levels”, but also known as “Strengths”). Having these categories enables ICU to sort strings precisely according to local conventions.

What symbol comes after Z?

A Tilde ‘~’ is ASCII code 126. This comes after all the standard English usage characters and would therefore out-sort a ‘Z’ of any case.

How do you sort a list in apex?

In this example, a list contains three SelectOption elements. Two elements, United States and Mexico, have the same value field (‘A’). The List.sort method sorts these two elements based on the label field, and places Mexico before United States, as shown in the output.

How to sort list items for date field value?

With Salesforce’s Apex, is there any way to sort list items, for Date field value. Please refer the TODO section of the following code, thanks.

When do you use disabled field in apex?

If two value fields have the same value or are both empty, the label field is used. Note that the disabled field is not used for sorting. For text fields, the sort algorithm uses the Unicode sort order. Also, empty fields precede non-empty fields in the sort order.

Is there a way to sort a list by asset?

When I do for (Asset a:lstAsset) and add a to a list, the sort order from the SOQL query is lost. I want the sort order to be retained. Is there a way? And can someone explain how List iterator for loop works? Is it the best one to use or is there a better way?