arjrr

/** Adding a value after a particular node of the list. */
fun insert(value: String, afterNode: Node) {
    if (tail == afterNode) {
        append(value)
        return
    }
    afterNode.next = Node(value = value, next = afterNode.next)
    size++
}

arjrr

/** Adding a value at the end of the list. */
fun append(value: String) {
    if (isEmpty()) {
        push(value)
        return
    }
    tail?.next = Node(value = value)
    tail = tail?.next
    size++
}

arjrr

fun main() {

    val adjacencyListGraph = AdjacencyList<String>()

    val brazil = adjacencyListGraph.createVertex("Brazil")
    val germany = adjacencyListGraph.createVertex("Germany")
    val thailand = adjacencyListGraph.createVertex("Thailand")
    val unitedKingdom = adjacencyListGraph.createVertex("United Kingdom")

    adjacencyListGraph.addDirectedEdge(brazil, germany, 1860.00)

arjrr

class AdjacencyList<T> {

  private val adjacencyMap = mutableMapOf<Vertex<T>, ArrayList<Edge<T>>>()

  fun createVertex(data: T): Vertex<T> {
        val vertex = Vertex(adjacencyMap.count(), data)
        adjacencyMap[vertex] = arrayListOf()
        return vertex
    }
  

arjrr

class AdjacencyList<T> {

  private val adjacencyMap = mutableMapOf<Vertex<T>, ArrayList<Edge<T>>>()

  fun createVertex(data: T): Vertex<T> {
        val vertex = Vertex(adjacencyMap.count(), data)
        adjacencyMap[vertex] = arrayListOf()
        return vertex
    }
  

arjrr

class AdjacencyList<T> {

  private val adjacencyMap = mutableMapOf<Vertex<T>, ArrayList<Edge<T>>>()

  fun createVertex(data: T): Vertex<T> {
        val vertex = Vertex(adjacencyMap.count(), data)
        adjacencyMap[vertex] = arrayListOf()
        return vertex
    }
}

arjrr

class AdjacencyList<T> {
    private val adjacencyMap = mutableMapOf<Vertex<T>, ArrayList<Edge<T>>>()
}

arjrr

data class Edge<T>(val source: Vertex<T>, val destination: Vertex<T>, val weight: Double? = null)

arjrr

data class Vertex<T>(val index: Int, val data: T)

arjrr

fun main() {
    val linkedList = LinkedList()
    linkedList.push("Lorem")
    linkedList.push("Ipsum")
}