Public Class Form1

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Kode.Items.Add("TS001")
        Kode.Items.Add("TS002")
        Kode.Items.Add("VG001")
        Kode.Items.Add("VG002")
        rancangan_table()
    End Sub

    Private Sub Kode_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Kode.SelectedIndexChanged

        Dim x As String
        x = Microsoft.VisualBasic.Left(Kode.Text, 2)
        If x = "TS" Then
            Merk.Text = "Toshiba"
            x = Microsoft.VisualBasic.Right(Kode.Text, 3)
            If x = "001" Then
                Nama.Text = "Flashdisk 4GB"
                Harga.Text = 105000
            ElseIf x = "002" Then
                Nama.Text = "Flashdisk 2GB"
                Harga.Text = 750000
            End If
        ElseIf x = "VG" Then
            Merk.Text = "V-Gen"
            x = Microsoft.VisualBasic.Right(Kode.Text, 3)
            If x = "001" Then
                Nama.Text = "Flashdisk 4GB"
                Harga.Text = 900000
            ElseIf x = "002" Then
                Nama.Text = "Flashdisk 2GB"
                Harga.Text = 60000

            End If
        End If
    End Sub

    Private Sub Jumlah_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles Jumlah.KeyPress
        If Asc(e.KeyChar) = 13 Then
            Total.Text = Harga.Text * Jumlah.Text
        End If
    End Sub
    Sub rancangan_table()
        With lv
            .Columns.Add("No Pembelian", 100, HorizontalAlignment.Center)
            .Columns.Add("Kode barang", 100, HorizontalAlignment.Left)
            .Columns.Add("Nama Barang", 100, HorizontalAlignment.Left)
            .Columns.Add("Merk", 100, HorizontalAlignment.Left)
            .Columns.Add("harga", 100, HorizontalAlignment.Left)
            .Columns.Add("Jumlah Beli", 100, HorizontalAlignment.Left)
            .Columns.Add("Total harga", 100, HorizontalAlignment.Left)
            .View = View.Details
            .GridLines = True
            .FullRowSelect = True

        End With
    End Sub
    Sub isi_table()
        Dim lst As New ListViewItem
        With lst
            .Text = No.Text
            .SubItems.Add(Kode.Text)
            .SubItems.Add(Nama.Text)
            .SubItems.Add(Merk.Text)
            .SubItems.Add(Harga.Text)
            .SubItems.Add(Jumlah.Text)
            .SubItems.Add(Total.Text)
            lv.Items.Add(lst)
        End With
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        isi_table()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        lv.Items.Remove(lv.SelectedItems(0))
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        lv.Items.Clear()
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        No.Text = ""
        Kode.Text = ""
        Nama.Text = ""
        Merk.Text = ""
        Harga.Text = ""
        Jumlah.Text = ""
        Total.Text = ""
    End Sub
   
    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        Close()
    End Sub
End Class

ini merupakan tugas program sederhana penilaian mahasiswa yang di beri pada kelas TI-M1222 smester ganjil.

#include"stdio.h"
#include"conio.h"
void main()
{
int i,kode[15],jumlah[15],jumdata=5;
char*produk;
float harga,total,disc,pembayaran;

printf("\nInput Data Penjualan");
for(i=0;i<jumdata;i++){
    printf("\nKode Produk :"); scanf("%d",&kode[i]);
    printf("\nJumlah Produk :"); scanf("%d",&jumlah[i]);
}
clrscr();
printf("\nInformasi Penjualan Produk");
printf("\n-------------------------------------------------------------------------------");
printf("\nNo Kode  Produk                  Harga   Jumlah    Total    Discount Pembayaran");
printf("\n-------------------------------------------------------------------------------");
for(i=0; i<jumdata; i++){
    if(kode[i]==1){
        produk="TV"; harga=2000000;
    }else if(kode[i]==2){
        produk="DVD"; harga=650000;
    }else if(kode[i]==3){
        produk="CD ROOM"; harga=450000;
    }
    total=harga*jumlah[i];
    if(total> 4000000)disc=0.1*total; else
    if(total< 4000000)disc=0;
    pembayaran=total-disc;
    gotoxy(1,6+i);printf( "%i   %d     %s  ",i+1,kode[i],produk);
    gotoxy(30,6+i);printf("%10.0f   %i   %10.0f%10.0f%10.0f"  ,harga,jumlah[i],total,disc,pembayaran);
    }
    printf("\n--------------------------------------------------------------------------------");
}

hasil printout

#include "iostream.h"
#include "conio.h"
#include "stdio.h"

main(){
float jp,a,b,c,d,bonus=0;
clrscr();
cout << "Bonus Sales \n-------------------------------- " ;
cout << "Masukkan jumlah pembelian : " ;
cin >> jp;
if (jp>=1000000){
    a=1000000;
    b=a*0.1;
    c=jp-a;
    d=c*0.15;
    bonus=d+a;
}else if(jp>=500000){
    bonus=jp*0.10;
}
cout << "Bonus : " << bonus;
}

#include "conio.h"
#include "stdio.h"

void main()
{
int j, totalj=0

clrscr();
for(j=1 ;j<=5 ;j++){
totalj+= j;
}
cout << "\n Jumlah=%d",totalj;
}

dengan output
15= 5 + 4 + 3 + 2 + 1