Bingkai Pada Nama

Source Code :

public class Bingkai{
public static void main (String [] str){
String nama;
int panjang;

System.out.print("\nNAMA : ");
nama = System.console().readLine();
panjang = nama.length() + 4;

System.out.println("");

System.out.print("+");
for(int i = 0; i < panjang + 4; i++){
System.out.print("=");
}
System.out.println("+");

System.out.print("| ");
System.out.print("+");
for(int i = 0; i < panjang; i++){
System.out.print("=");
}
System.out.print("+");
System.out.println(" |");

System.out.println("| |  " + nama + "  | |");

System.out.print("| +");
for(int i = 0; i < panjang; i++){
System.out.print("=");
}
System.out.print("+");
System.out.println(" |");

System.out.print("+");
for(int i = 0; i < panjang + 4; i++){
System.out.print("=");
}
System.out.println("+");

System.out.println("");
}
}

Outputnya :

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Program Penjumlahan Dengan GUI

Sourc Code :

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.GridLayout;

public class Gui2 extends JFrame implements ActionListener{

private JButton btnHitung, btnClose;
private JLabel lblHasil, lblOpr;
private JTextField txt1, txt2;

    public Gui2() {
    setTitle("PENJUMLAHAN");
    setSize(300, 70);
    setLayout(new GridLayout(2, 3));
    setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
    setUndecorated(true);
    setLocationRelativeTo(null);

    btnHitung = new JButton("HITUNG");
    btnClose = new JButton("KELUAR");

    lblHasil = new JLabel();
    lblOpr = new JLabel("               +");

    txt1 = new JTextField();
    txt2 = new JTextField();

    add(txt1);
    add(lblOpr);
    add(txt2);
    add(lblHasil);
    add(btnHitung);
    add(btnClose);

    btnHitung.addActionListener(this);
    btnClose.addActionListener(this);
    }
    
    public void actionPerformed(ActionEvent e){
    int a, b;
    if(e.getSource() == btnHitung){
    a = Integer.parseInt(txt1.getText());
    b = Integer.parseInt(txt2.getText());

    lblHasil.setText("" + (a + b));
    }

    if(e.getSource() == btnClose){
    dispose();
    }
    }
    
    public static void main(String [] args){
    new Gui2().setVisible(true);
    }
}

Outputnya :

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Menghitung Sisi Miring, Luas, dan Segitiga Siku - Siku

Source Code :

import java.io.*;
public class IOQuiz {

    public static void main(String[] args) throws Exception{
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

String input;
double a;
double t;
double sM;
double luas;
double kel;

System.out.println("\n\n");
System.out.println("| ===================================================================== |");
System.out.println("|                                                                       |");
System.out.println("| PROGRAM MENGHITUNG SISI MIRING, LUAS, DAN KELILING SEGITIGA SIKU-SIKU |");
System.out.println("|                                                                       |");
System.out.println("| ===================================================================== |");

System.out.print("\nMasukkan alas   : ");
input = in.readLine();
a = Double.parseDouble(input);

System.out.print("\nMasukkan tinggi : ");
input = in.readLine();
t = Double.parseDouble(input);

sM = Math.sqrt(Math.pow(a, 2) + Math.pow(t, 2));
//sM = Math.hypot(a, t);
luas = 0.5 * a * t;
kel = a + t + sM;
System.out.print("\n| ===================================================================== |");
System.out.printf("\n| Sisi Miring Segitiga : %.2f                                           |", sM);
System.out.printf("\n| Luas Segitiga        : %.2f                                          |", luas);
System.out.printf("\n| Keliling Segitiga    : %.2f                                          |", kel);
System.out.println("\n| ===================================================================== |");
}
    
}

Outputnya :

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Program Diskon Barang

Source Code :

public class Jawaban{
public static void main (String [] args){
int kode, harga, diskon;
String jenis;
String sDiskon;

System.out.print("KODE  : ");
kode = Integer.parseInt(System.console().readLine());

System.out.print("JENIS : ");
jenis = System.console().readLine();

System.out.print("HARGA : ");
harga = Integer.parseInt(System.console().readLine());

if(jenis.toUpperCase().equals("A"))
{
diskon = harga * 10 / 100;
sDiskon = "10%";
}
else if(jenis.toUpperCase().equals("B"))
{
diskon = harga * 15 / 100;
sDiskon = "15%";
}
else if(jenis.toUpperCase().equals("C"))
{
diskon = harga * 20 / 100;
sDiskon = "20%";
}
else
{
diskon = 0;
sDiskon = "0%";
}

harga = harga - diskon;
System.out.print("Jenis barang " + jenis.toUpperCase());
System.out.print(" Mendapatkan diskon = " + sDiskon);
System.out.print(" Harga setelah didiskon " + harga);
}
}


Outputnya :

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Bikin Program Nama Dengan GUI

Source Code :

import javax.swing.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.Container;
import java.awt.FlowLayout;

public class Jawaban1_GUI extends JFrame implements ActionListener
{
private JButton btnNim;
private JButton btnNama;
private JButton btnJurusan;

    public Jawaban1_GUI() 
    {
    setTitle("RESPONSI GUI");
    setDefaultCloseOperation(DISPOSE_ON_CLOSE);
    setLocationRelativeTo(null);
    setResizable(false);
   
    Container pane = getContentPane();
    pane.setLayout(new FlowLayout(FlowLayout.LEFT, 10, 10));
   
    btnNim = new JButton("Nomor Mahasiswa");
    btnNama = new JButton("Nama");
    btnJurusan = new JButton("Jurusan dan Kelas");
   
    pane.add(btnNim);
    pane.add(btnNama);
    pane.add(btnJurusan);
   
    btnNim.addActionListener(this);
    btnNama.addActionListener(this);
    btnJurusan.addActionListener(this);
   
    pack();
    }
    
    public void actionPerformed(ActionEvent evt)
    {
    Object src = evt.getSource();
    JOptionPane.showMessageDialog(null, src == btnNim ? "12.11.6156" : src == btnNama ? " JAKA " : 
    "TEKNIK INFORMATIKA KELAS TI - 06");
    }
    
    public static void main(String [] args)
    {
    new Jawaban1_GUI().setVisible(!false && 1 < 5); // -> true, lolololol :p
    }
}

Outputnya :

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Polymorphism

Source Code :

public class Polymorphism 
{
public static void main(String [] args)
    {
    String nama [] = 
    {
    "Hewan",
    "Anjing",
    "Bebek",
    "Kucing"
    };
   
    Hewan [] hewan =
{
new Hewan(),
new Anjing(),
new Bebek(),
new Kucing()
};

for(int i = 0; i < hewan.length && i < nama.length; i++)
{
System.out.println("Suara " + nama[i] + "  \t: " + hewan[i].suara());
}
    }
}

class Hewan
{
public String suara()
{
return "Unknown";
}
}

class Anjing extends Hewan
{
public String suara()
{
return "Guk.. Guk..!!";
}
}

class Bebek extends Hewan
{
public String suara()
{
return "Wek.. Wek..!!";
}
}

class Kucing extends Hewan
{
public String suara()
{
return "Miaow...!!";
}
}

Outputnya :

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Inheritance

Source Code :

import java.util.Scanner;

public class Inheritance {

public static void main(String [] args)

{

Paus paus = new Paus();

Cheetah cheetah = new Cheetah();

Sapi sapi = new Sapi();

Scanner in = new Scanner(System.in);

while(true)

{

System.out.println("\n___PILIH JENIS MAMALIA___");

System.out.println("[1]. IKAN PAUS");

System.out.println("[2]. CHEETAH");

System.out.println("[3]. SAPI");

System.out.println("[4]. EXIT");

System.out.println();

System.out.print("PILIHAN : ");

switch(in.nextInt())

{

case 1:

paus.ciri();

System.out.println("dan Mamalia yang anda pilih adalah " + paus.getNama());

paus.tampilkan();

break;

case 2:

cheetah.ciri();

System.out.println("dan Mamalia yang anda pilih adalah " + cheetah.getNama());

cheetah.tampilkan();

break;

case 3:

sapi.ciri();

System.out.println("dan Mamalia yang anda pilih adalah " + sapi.getNama());

sapi.tampilkan();

break;

case 4:

return;

default:

System.out.println("Salah masukin");

}

}

}

}

class Mamalia

{

private String nama;

public Mamalia(String nama)

{

this.nama = nama;

}

public void ciri()

{

System.out.println("Ciri umum mamalia adalah bernafas dengan paru-paru, "

+ "berkembang biak dengan cara beranak");

}

public String getNama()

{

return nama;

}

}

class Paus extends Mamalia

{

public Paus()

{

super("Ikan Paus");

}

public void tampilkan()

{

System.out.println("Mamalia ini berada di laut");

System.out.println("Paus termasuk jenis mamalia terbesar");

}

}

class Cheetah extends Mamalia

{

public Cheetah()

{

super("Cheetah");

}

public void tampilkan()

{

System.out.println("Mamalia ini berada di darat");

System.out.println("Cheetah termasuk mamalia pelari tercepat");

}

}

class Sapi extends Mamalia

{

public Sapi()

{

super("Sapi");

}

public void tampilkan()

{

System.out.println("Mamalia ini berada di darat");

System.out.println("Sapi termasuk jenis mamalia pemamahbiak");

}

}

Outputnya :

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Piramida

Source Code :

public class Piramid5
{
public static void main (String [] args)
{
int tinggi;

System.out.print("tinggi : ");
tinggi = Integer.parseInt(System.console().readLine());

for(int i = 0; i < tinggi; i++)
{
System.out.println("");

for(int j = 0; j < i; j++)
System.out.print(" ");

for(int j = tinggi; j > i; j--)
System.out.print("*");

for(int j = tinggi - 1; j > i; j--)
System.out.print("*");


}
System.out.println("");
}
}

Outputnya :

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Mencari Luas Keliling Lingkaran

Source Code :

class LuasKelLingkaran{
public static void main (String [] xyz){
double r, kel, luas;
   double PHI = 3.14;
String nim = "12.11.6156";

r = 50;
luas = PHI * Math.pow(r, 2);

kel = 2 * PHI * r;

System.out.println("\n\n\n\n\n\n\n\n\n\n");
System.out.println("|=========================================|");
System.out.println("|    PROGRAM MENGHITUNG LUAS LINGKARAN    |");
System.out.println("|=========================================|");
System.out.println("| NIM                : "+ nim +"          |");
System.out.println("|                                         |");
System.out.println("| Jari - jari        : "+ r +"            |");
System.out.println("|                                         |");
System.out.println("| Luas Lingkaran     : "+ luas +          |");
System.out.println("| Keliling Lingkaran : "+ kel +"          |");
System.out.println("|=========================================|");
System.out.println("\n\n\n\n\n\n\n\n\n\n");
}


Outputnya :

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Program Nilai Akhir

Source Code :

import javax.swing.JOptionPane;
public class NilaiAkhir {

    public NilaiAkhir() {
    }
    
    public static void main (String [] args) throws NullPointerException, Exception{

final int MAX = 5;
int i = 0;
int hasil;
char huruf;
String ket;

int [] uas = new int [MAX];
int [] uts = new int [MAX];
int [] tugas = new int [MAX];
String [] nama  = new String [MAX];
String [] nim  = new String [MAX];
String ulang = null;

do{
nim[i] = JOptionPane.showInputDialog ("MASUKKAN NIM : ");
nama[i] = JOptionPane.showInputDialog ("MASUKKAN NAMA : ");
tugas[i] = Integer.parseInt(JOptionPane.showInputDialog("MASUKKAN NILAI TUGAS :"));
uts[i] = Integer.parseInt(JOptionPane.showInputDialog("MASUKKAN NILAI UTS :"));
uas[i] = Integer.parseInt(JOptionPane.showInputDialog("MASUKKAN NILAI UAS :"));

i++;

if(i < MAX)
ulang = JOptionPane.showInputDialog ("MAU MENAMBAH DATA LAGI [Y/T] :");
else
ulang = "T";

}while(ulang.toUpperCase().equals("Y"));

System.out.println("No\tNIM\t\tNAMA\t\tTUGAS\tUTS\tUAS\tNILAI\tHURUF\tKETERANGAN");
for(int j = 0; j < i; j++){
hasil = (tugas[j] + uts[j] + uas[j]) / 3;

if(hasil >= 85)
huruf = 'A';
else if(hasil >= 75)
huruf = 'B';
else if(hasil >= 65)
huruf = 'C';
else if(hasil >= 50)
huruf = 'D';
else
huruf = 'E';

switch(huruf){
case 'A':
case 'B':
case 'C': ket = "Lulus"; break;
default : ket = "Tidak lulus";
}

System.out.print(""+ (j + 1));
System.out.print("\t"+ nim[j]);
System.out.print("\t"+ nama[j]);
System.out.print("\t\t"+ tugas[j]);
System.out.print("\t"+ uts[j]);
System.out.print("\t"+ uas[j]);
System.out.print("\t"+ hasil);
System.out.print("\t"+ huruf);
System.out.print("\t"+ ket);
System.out.println();
}
}
}


Outputnya :

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Xari Roti

Source Code :

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import javax.swing.WindowConstants;

public class XariRoti
{
public static void main (String [] str)
{
InputStreamReader stream = new InputStreamReader(System.in);
BufferedReader in = new BufferedReader(stream);

int harga = 0;
int jml = 0, pilihan = 0, bayar;
String input;

System.out.println("\n\n\n| ====================================================== |");
System.out.println("|                                                              |");
System.out.println("|         PROGRAM KASIR SEDERHANA - XARI ROTI                  |");
System.out.println("|                                                              |");
System.out.println("| ============================================================ |");
System.out.println("| Menu:                                                        |");
System.out.println("| 1. Roti Coklat : Rp. 5.000                                   |");
System.out.println("| 2. Roti Pisang : Rp. 4.000                                   |");
System.out.println("|                                                              |");
System.out.print("| Pilih :                                                        |");

for(int i = 0; i < 48; i++)
System.out.printf("\b");

try
{
input = in.readLine();
pilihan = Integer.parseInt(input);

System.out.println("|                                                        |");
System.out.print("| Jumlah:                                                |");

for(int i = 0; i < 48; i++)
System.out.printf("\b");

input = in.readLine();
jml = Integer.parseInt(input);

} 
catch (IOException e) 
{
System.out.println("| IO Error                                               |");
System.out.println("| ====================================================== |");
System.out.println("\n\n\n" + e + "\n\n\n");
System.exit(WindowConstants.DISPOSE_ON_CLOSE);
} 
catch (Exception e)
{
System.out.println("| General Error                                          |");
System.out.println("| ====================================================== |");
System.out.println("\n\n\n" + e + "\n\n\n");
System.exit(WindowConstants.DISPOSE_ON_CLOSE);
} 


switch(pilihan)
{
case 1: harga = 5000;
break;
case 2: harga = 4000;
break;
default : System.out.println("| Pilihan Tidak Tersedia                                 |");
System.out.println("| ====================================================== |");
System.exit(WindowConstants.DISPOSE_ON_CLOSE);
}

if(jml >= 6)
bayar = (harga * (jml - 2));
else if(jml >= 3)
bayar = (harga * (jml - 1));
else
bayar = harga * jml;

System.out.println("| ====================================================== |");
System.out.print("| Total Bayar : Rp.                                      |");

for(int i = 0; i < 39; i++)
System.out.printf("\b");

System.out.println(Integer.toString(bayar));
System.out.println("| ====================================================== |\n\n\n");

}
}

Outputnya :

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Menentukan Data Dengan Rumus Median

Source Code :

#include <iostream>
#include <cstdlib>
#include <iomanip>
#define max 10

using namespace std;

void swap(int *x, int *y)
{
int tmp;
if (*x<*y)
{
tmp = *x;
*x = *y;
*y = tmp;
}
}

void bublesort (int *array, int size)
{
for (int i=1;i<size;i++)
{
for(int j=size-1;j>=i;j--)
{
if(array[j] < array[j-1])
swap(&array[j],&array[j-1]);
}
}
}

void median(int *arr,int size)
{
int tengah = size/2;
float median;

if(size%2==1){
median = (float) arr[tengah];
}
else{
median = (float) (arr[tengah]+arr[tengah-1])/2;
}

cout<<"Nilai Median = "<<median;
}

int main()
{

int x[max]; //deklarasi array yang menampung angka
int jml; //deklarasi variabel untuk menampung jumlah data yang diinputkan


cout << "Banyaknya data yang ingin dimasukkan ? ";
cin >> jml;

//pembacaan data array
cout << "Masukkan data.\n";
for(int i=0;i<jml;i++)
{
cout<<"Data ke "<<(i+1)<<" = ";
cin>>x[i];
}

        //perintah menampilkan data arry
cout<<"Isi array awal adalah : "<<endl;
for(int i=0;i<jml;i++)
{
cout<<x[i]<<" ";
}

        //memanggil fungsi untuk pengurutan
bublesort(x,jml);

cout<<endl;

    cout<<"Pengurutan isi array secara ascending"<<endl;
for(int i=0;i<jml;i++)
{
cout<<x[i]<<" ";
}

cout<<endl;


        //memanggil fungsi mencari angka median
median(x,jml);

return 0;
}

Outputnya :

Read More

QUEUE

Source Code :

#include<iostream>
#include<cstdlib>
#define max 5

using namespace std;

struct QUEUE
{
int data[max];
int head;
int tail;
}antrian;

void init()
{
antrian.head=0;
antrian.tail=0;
}
bool kosong()
{
if (antrian.tail==0)
{
return true;
}
else
{
return false;
}
}
bool penuh()
{
if (antrian.tail==max)
{
return true;
}
else
{
return false;
}
}

void tampilData()
{
if (!kosong())
{
for (int i=antrian.head; i<=antrian.tail-1; i++)
{
cout<<antrian.data[i]<<" | ";
}
}

cout<<"\n";
}

void enqueue()
{
tampilData();

if (!penuh())
{
int baru;
cout<<" Data Yang Akan Di Masukkan : ";
cin>>baru;
antrian.data[antrian.tail]=baru;
antrian.tail++;

tampilData();
cout<<"Data telah ditambahkan\n";
}
else
{
cout<<"Antrian Kosong";
}
}

void dequeue()
{
tampilData();
if (!kosong())
{
cout<<"Mengambil data \" "<<antrian.data[antrian.head]<<" \"  ... "<<endl;
for(int i=antrian.head; i<antrian.tail; i++)
{
antrian.data[i]=antrian.data[i+1];
}

antrian.tail--;
}
else
{
cout<<"Antrian Kosong";
}
}

void jumlah()
{
int jumlah = 0;
for(int i=antrian.head;i<antrian.tail;i++)
{
jumlah = jumlah + antrian.data[i];
}
cout<<"Jumlah = "<<jumlah<<endl;
}
int main()
{
int pil;
do
{
tampilData();
cout<<"   Menu Utama  \n";
cout<<"---------------\n";
cout<<" [1] Init      \n";
cout<<" [2] Enqueue   \n";
cout<<" [3] Dequeue   \n";
cout<<" [4] Jumlah    \n";
cout<<" [0] Keluar    \n";
cout<<"---------------\n";
cout<<"Masukkan Pilihan : ";cin>>pil;
switch (pil)
{
case 1:
init();
break;
case 2:
enqueue();
break;
case 3:
dequeue();
break;
case 4 :
jumlah();
break;
}
}
while(pil!=0);

return 0;
}

Outputnya :

Read More