Kotlin library provides extension functions for grouping collection items. In this tutorial, I will show you some examples to use Kotlin
In this tutorial, I will show you some examples that use Kotlin fold and fold indexed methods to accumulate
In this tutorial, I will show you one of the most important Relationship in MongoDB that you will use in most database structures: One-to-Many Relationship. You will also know 3 criteria to choose Referencing or Embedding for improving application performance. Then we’re gonna make some MongoDB One-to-Many Relationship examples using Mongoose library.
In this tutorial, we’re gonna look at some useful ways to sort Java ArrayList of Objects for Ascending and Descending order. You will know how to:
- sort ArrayList of Objects by one field or multiple fields
- use custom
Comparatorto sort ArrayList of Objects
Comparableinterface to sort ArrayList of Objects conveniently
In previous tutorial, we’ve known how to build Spring Boot Rest CRUD Apis with Spring Data JPA. Today I will show you how to sort/order result by multiple Columns in Spring Boot with Spring Data JPA. You also know way to apply sorting and paging together.
– Spring Boot Token based Authentication with Spring Security & JWT
In this tutorial, I will show you how to create Kotlin
Comparator and custom
Comparator, then we’re gonna use
Comparator to sort List of objects.