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bijancot/proyek_praktikum.java

Created June 11, 2018 03:13
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proyek_praktikum.java
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package pkg00_project;
import java.util.Scanner;
/**
*
* @author bijan
*/
public class project_praktikum {
static String pilih;
static int c = 5;
static int y = 1, b = 0;
static int tamb = 0;
static String data[][] = new String[c][3];
static Scanner input = new Scanner(System.in);
static Scanner inpot = new Scanner(System.in);
private static void menu() {
System.out.println("=======================");
System.out.println("----------------------");
System.out.println("Buku Telpon :D");
System.out.println("----------------------");
System.out.println("=======================");
System.out.println("1.Lihat buku telpon");
System.out.println("2.Masukkan kontak");
System.out.println("3.Hapus Kontak");
System.out.println("4.edit Kontak");
System.out.println("0.Keluar");
System.out.println("----------------------");
System.out.println("=======================");
System.out.println("Apa yang ingin anda lakukan?");
pilih = inpot.nextLine();
pilihan(pilih);
}
private static void pilihan(String yolo) {
switch (yolo) {
case "1":
LihatKontak();
break;
case "2":
TambahKontak();
break;
case "3":
HapusKontak();
menu();
break;
case "4":
EditKontak();
break;
case "0":
System.out.println("SYSTEM : out from system thx");
System.exit(0);
break;
default:
System.out.println("SYSTEM ERROR : undefined input");
break;
}
}
private static void TambahKontak() {
b = 0 + tamb;
int y = 1;
do {
System.out.println("Masukkan Nama");
data[b][0] = inpot.nextLine();
System.out.println("Masukkan Nomer");
data[b][1] = inpot.nextLine();
System.out.println("Masukkan Alamat");
data[b][2] = inpot.nextLine();
tamb = tamb + 1;
if (tamb == 4) {
System.out.println("data penuh!!");
menu();
}
menu();
break;
} while (y != 0);
}
private static void LihatKontak() {
int count = 0;
for (int i = 0; i < data.length; i++) {
if (data[0][0] == null) {
System.out.print("tidak ada data -> ");
break;
} else if (data[i][0] == null) {
break;
} else {
System.out.print("Nama :\t" + data[i][0] + " \t");
System.out.print("nomor :\t" + data[i][1] + " \t");
System.out.println("alamat :\t" + data[i][2]);
}
count = count + 1;
}
System.out.println("data : " + count + "/5");
y = 0;
menu();
}
private static void HapusKontak() {
System.out.println("-----");
System.out.println("data nomor berapa yang ingin anda hapus?");
int yes = input.nextInt();
for (int i = 0; i < data[yes - 1].length; i++) {
data[yes - 1][i] = null;
}
b = 0;
tamb = 0;
menu();
}
private static void EditKontak() {
System.out.println("-----");
System.out.println("data nomor berapa yang ingin anda update?");
int bis = input.nextInt();
System.out.println("Masukkan Nama baru");
data[bis - 1][0] = inpot.nextLine();
System.out.println("Masukkan Nomer baru");
data[bis - 1][1] = inpot.nextLine();
System.out.println("Masukkan Alamat baru");
data[bis - 1][2] = inpot.nextLine();
LihatKontak();
}
public static void main(String[] args) {
menu();
}
}
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