Main_Class.java

import java.util.Scanner;

public class Main_Class {
	static Scanner masuk = new Scanner(System.in);
	static Proses panggil = new Proses();
	static String nama = "";
	static String NPM = "";
	public static void main(String[] args) {
		String[] Matkul = {"Robotika I", "Mikrokontroller", "Algoritma Pemrograman", "Basis Data", "Struktur Data",
				"Interfacing","Sensor dan Tranduser", "Mekatronika"};
		System.out.print("Masukkan Nama Mawasiswa : ");
		nama+=masuk.nextLine();
		System.out.print("Masukkan NPM	        : ");
		NPM+=masuk.nextLine();
		for(int i=0;i<Matkul.length;i++){
			System.out.println("Matakuliah "+Matkul[i]);
			System.out.print("UTS : ");
			int Nilai = masuk.nextInt();
			System.out.print("UAS : ");
			int NilaiUAS = masuk.nextInt();
			panggil.addNode(Matkul[i], Nilai, NilaiUAS);
		}
		pilihan();
	}
	public static void pilihan(){
		System.out.println("Pilih Operasi");
		System.out.println("1. Hapus Data");
		System.out.println("2. Edit Data");
		System.out.println("3. Cetak Data");
		System.out.print("Masukkan pilihan : ");
		int pilihan = masuk.nextInt();
		if(pilihan == 1){
			System.out.println("Preview Data");
			cetak();
			System.out.println("");
			System.out.print("Masukkan node yang ingin dihapus (1-8) : ");
			int hapus = masuk.nextInt();
			panggil.delete(hapus);
			System.out.println("Data pada node "+hapus+" telah dihapus : ");
			cetak();
		} else if(pilihan == 2){
			System.out.println("Edit");
		} else if(pilihan == 3){
			cetak();
		}
	}

	public static void cetak(){
		String leftstr = "| %-53s | %n";
		System.out.format("+-------------------------------------------------------+%n");
		System.out.format("|                      Cetak Nilai                      |%n");
		System.out.format("+-------------------------------------------------------+%n");
		System.out.format(leftstr," Nama     : "+nama);
		System.out.format(leftstr," NPM      : "+NPM);
		System.out.format("+-----+-------------------------+-----------+-----------+%n");
		System.out.format("| No. |       Mata Kuliah       |    UTS    |    UAS    |%n");
		System.out.format("+-----+-------------------------+-----------+-----------+%n");
		panggil.display();
	}

}