Jackson Deserialization: How to Convert a JSON Array to a Java List or Array Sometimes you need a List. Sometimes you need an array.
Angular: Find an Object's Position in an Array With findIndex() Sometimes in Angular development, you need to know where an object is located within an array. You can get that info with findIndex().
Angular: How to Choose Between Using find() and filter() With Arrays So you've got an array that you need whittled down to a few items or just one matching item? If so, then you'll probably use either find() or filter().