Kotlin Programming Cookbook

How to do it…

In this recipe, we will create a REST controller that will fetch us information about students in a college. We will be using an in-memory database using a list to keep things simple:

1. Let's first create a Student class having a name and roll number properties:

package collegeclass Student() {    lateinit var roll_number: String    lateinit var name: String    constructor(            roll_number: String,            name: String): this() {        this.roll_number = roll_number        this.name = name    }}

2. Next, we will create the StudentDatabase endpoint, which will act as a database for the application:

@Componentclass StudentDatabase {    private val students = mutableListOf<Student>()}

Note that we have annotated the StudentDatabase class with @Component, which means its ...