belajar pemrograman cPP
# include <iostream.h>
# include <conio.h>
class Ucapan{
public:
Ucapan(){kata=”Hello, Word”;}
void cetak (){ cout <<kata<<endl;}
private:
char*kata;
};
int main()
{
Ucapan kalimat;
kalimat.cetak();
getch();
}
aplikasi pertama welcome borland CPP
# include <iostream>
# include <conio>
class Ucapan{
public:
Ucapan () { kata=”Hello, Word!”; }
Ucapan (char* kata_awal);
void cetak () {cout <<kata<<endl;}
private:
char*kata;
};
Ucapan::Ucapan (char*kata_awal){
kata=kata_awal;
}
int main()
{ Ucapan kalimat, kalimat2(“Wellcome to MambOO”);
kalimat.cetak();
cout<<endl;
kalimat2.cetak();
getch();
}
#include <iostream.h>
#include <conio.h>
clrscr();
//deklarasi variabel bisa di sembarang baris
cout<<“======================================================================\n\n”;
cout<<“=====================http://more-examples.blogspot.com================\n\n”;
cout<<“======================================================================\n\n”;
cout << “Ketikkan nama Anda :”; cin >> Nama;
int umur;//untuk menampung input umur
cout <<“\nMasukkan umur anda:”; cin >> umur;
cout <<“Nama = “<< Nama << endl;
cout <<“Umur = “<< umur << “Tahun” ;
cout <<” (=” << umur*366<< ” hari )” << endl;
getch();
}
Operator perhitungan nilai konversi nilai angka ke huruf
#include <iostream.h>
#include <conio.h> class Nilai { friend ostream& operator<<(ostream&, Nilai&); friend istream& operator>>(istream&, Nilai&); public: Nilai() {}; void konversikan() { if ((nilai > 0) && (nilai <= 20)) nilai_huruf = ‘E’; else if ((nilai > 20) && (nilai <= 40)) nilai_huruf = ‘D’; else if ((nilai > 40) && (nilai <= 60)) nilai_huruf = ‘C’; else if ((nilai > 60) && (nilai <= 80)) nilai_huruf = ‘B’; else nilai_huruf = ‘A’; } private: int nilai; char nilai_huruf; }; ostream& operator<<(ostream& out, Nilai& keluaran) { out << “Nilai angka : ” << keluaran.nilai << endl; out << “Nilai huruf : ” << keluaran.nilai_huruf; return out; } main() { Nilai angka; cin >> angka; angka.konversikan(); cout << angka; getch(); return 0; } istream& operator>>(istream& in, Nilai& masukan) { cout<<“======================================================================\n\n”; cout<<“=====================http://more-examples.blogspot.com================\n\n”; cout<<“======================================================================\n\n”; cout << “Masukkan nilai angka = “; in >> masukan.nilai; return in; };
#include <iostream.h> #include <conio.h> int main(){ int jumbil,min=32000; cout<<“======================================================================\n\n”; cout<<“=====================http://more-examples.blogspot.com================\n\n”; cout<<“======================================================================\n\n”; cout<<“Masukkan jumlah data bilangan : “; cin>>jumbil; if (jumbil>25) cout<<“Warning, Maksimum data 25”; else { int bil[25]; for(int i=1;i<=jumbil;i++){ cout<<“Masukkan bilangan ke-“<<i<<” : “; cin>>bil[i]; if(bil[i]<min) min=bil[i]; else min=min;} cout<<“\nBilangan terkecil adalah : “<<min<<endl; } getch(); }
program cPP untuk menentukan bilangan terbesar
#include <iostream.h>
#include <conio.h>
class Banding {
friend istream& operator>>(istream&, Banding&);
public:
Banding() {};
void bandingkan() {
if ((x>y) && (x>z))
cout << “Bilangan terbesar : ” << x;
else if ((y>x) && (y>z))
cout << “Bilangan terbesar : ” << y;
else
cout << “Bilangan terbesar : ” << z;
}
private:
int x, y, z;
};
istream& operator>>(istream& in, Banding& bilangan){
cout<<“======================================================================\n\n”;
cout<<“=====================http://more-examples.blogspot.com================\n\n”;
cout<<“======================================================================\n\n”;
cout << “Bilangan pertama = “;
in >> bilangan.x;
cout << “Bilangan kedua = “;
in >> bilangan.y;
cout << “Bilangan ketiga = “;
cin >> bilangan.z;
return in;
};
main() {
Banding bilangan;
cin >> bilangan;
bilangan.bandingkan();
getch();
}
perkalian integer
#include <iostream.h>
#include <conio.h>
class perkalian {
friend ostream& operator <<(ostream&,const perkalian&);
friend istream& operator >>(istream&,perkalian&);
public:
perkalian();
void hitung_perkaliannya(){hasil = (a*b);}
private:
int a,b;
int hasil;
};
perkalian::perkalian (){
cout<<“======================================================================\n\n”;
cout<<“=====================http://more-examples.blogspot.com================\n\n”;
cout<<“======================================================================\n\n”;
cout <<“Program mengalikan 2 integer”<< endl;
cout <<“Selamat berkarya”<< endl;
}
istream& operator >>(istream& in,perkalian& masukan){
cout <<“masukkan nilai a :”;
in >> masukan.a;
cout <<“masukkan nilai b:”;
in >> masukan.b;
return in;
}
ostream& operator <<(ostream& out,const perkalian& keluaran){
out <<“Nilai a:” << keluaran.a << endl;
out <<“Nilai b:” << keluaran.b << endl;
out <<“hasil integer di atas:”<<keluaran.hasil<<endl;
return out;
}
main(){
perkalian X;
cin >> X;
X.hitung_perkaliannya();
cout << X;
getch();
return 0;
}
penjumlahan data
#include <iostream.h>
#include <conio.h>
int main(){
int jumdata;
int stop=0;
int subtot=0;
int total=0;
int data[25];
cout<<“======================================================================\n\n”;
cout<<“=====================http://more-examples.blogspot.com================\n\n”;
cout<<“======================================================================\n\n”;
cout<<“Masukkan jumlah data : “;
cin>>jumdata;
for(int i=1;i<=jumdata;i++){
cout<<“Data ke-“<<i<<” : “;
cin>>data[i];
stop +=1;
subtot+=data[i];
total +=data[i];
if (stop==3){
cout<<“————–“<<endl;
cout<<“Subtotal “<<subtot<<endl;
subtot
=0;}
}
cout<<“————–“<<endl;
cout<<“Subtotal “<<subtot<<endl;
cout<<“Jumlah seluruh data : “<<total;
getch();
return 0;
}
#include <iostream.h>
#include <conio.h>
int prima (int p){
int i;
for ( i=2; i<p; i++){
if ( i>=2 && i<=7 && i!=4 && i!=6 )
cout<<i<<” “;
if (i>7 && i%2!=0 && i%3!=0 && i%5!= 0 && i%7!=0 )
cout<<i<<” “;
}
return i;
}
long factorial (int f){
int i;
long fact=1;
for (i=2; i<=f; i++) {
fact *= i;
}
return fact;
}
int main() {
int n;
cout<<“======================================================================\n\n”;
cout<<“=====================http://more-examples.blogspot.com================\n\n”;
cout<<“======================================================================\n\n”;
cout<<“masukkan bilangan : “;
cin >>n;
cout<<“faktorial dari “<<n<<” : “<<factorial(n)<<endl;
cout<<“bilangan prima 0 sampai “<<n<<” : ” ;
cout<<prima(n)<<endl;
getch();
}
output program CPP
#include <iostream.h>
#include <conio.h>
class Aljabar {
friend ostream& operator<<(ostream&, const Aljabar&);
friend istream& operator>>(istream&, Aljabar&);
public:
Aljabar();
void hitung(){
q = m / n; // mendapatkan nilai q
r = m % n; // mendapatkan nilai r
}
private:
int m,n; // input
int q,r; // output
};
Aljabar::Aljabar() {
cout<<“======================================================================\n\n”;
cout<<“=====================http://more-examples.blogspot.com================\n\n”;
cout<<“======================================================================\n\n”;
cout << “Membaca input nilai n dan m dengan ketentuan n<m\n”;
cout << “dan menampilkan output berbentuk m = q.n + r.\n\n”;
}
istream& operator>>(istream& in, Aljabar& masukan) {
cout << “Masukkan nilai m = “;
in >> masukan.m;
cout << “Masukkan nilai n = “;
in >> masukan.n;
masukan.hitung();
return in;
}
ostream& operator<<(ostream& out, const Aljabar& keluaran) {
out << “Nilai q adalah = ” << keluaran.q << endl;
out << “Nilai r adalah = ” << keluaran.r << endl << endl;
out << “Jadi, ” << keluaran.m << ” = ” << keluaran.q << ” x “;
out << keluaran.n << ” + ” << keluaran.r;
return out;
}
main() {
Aljabar X;
cin >> X;
cout << X;
getch();
return 0;
}
Jangan lupa kunjungi link berikut
http://more-examples.blogspot.com/2012/07/kumpulan-alpro-dan-contoh-program-cpp.html
Program CPP 