Contoh Program Java Polimorfisme Mini Bank Sederhana

         alhamdullilah gan ketemulagi ,, ok langsung saja disini ane akan share program Java mini bank menggunakan  polimorfisme ,, barang x bisa membantu untuk tugas atau berexperimen latihan program .hehe

di program ini ada 3 class yaitu
class bank
class utama
class nasabah

ok ini dia source kodingnya .

Class Bank

package tauaspbo2; import javax.swing.JOptionPane; public class bank { private String nama_nsb,pin,norek_nsb,no_t; private double s,saldo_awal,saldo_akhir; private double setor,ambil,jum; public void setnsb1(){ nama_nsb=JOptionPane.showInputDialog("Masukan nama anda ?"); norek_nsb=JOptionPane.showInputDialog("Masukan No. Rekening anda ?"); } public void setnsb2(){ String dat=JOptionPane.showInputDialog("Masukan Saldo awal (min Rp 50.000)?"); saldo_awal=Double.parseDouble(dat); saldo_akhir=saldo_awal; if (saldo_akhir<50000) {JOptionPane.showMessageDialog(null,"Maaf saldo awal min Rp 50.000");} else { saldo_akhir=saldo_awal;} } public void ambil(){ String data=JOptionPane.showInputDialog("Masukan jumlah pengambilan ?"); ambil=Double.parseDouble(data); if (saldo_akhir<50000) {JOptionPane.showMessageDialog(null,"Maaf saldo anda kurang");} else { JOptionPane.showMessageDialog(null,"Pengambilan Rp. "+ambil+" Berhasil !"); saldo_akhir=saldo_akhir-ambil;} } public void transfer(){ no_t=JOptionPane.showInputDialog("Masukan norek tujuan ?"); String data=JOptionPane.showInputDialog("Masukan jumlah yang akan ditransfer ?"); jum=Double.parseDouble(data); saldo_akhir=saldo_akhir-jum; } public void setnsb3(){ { String data=JOptionPane.showInputDialog("Masukan jumlah nominal setoran (min Rp 1000)?"); setor=Double.parseDouble(data); if (setor<1000) {JOptionPane.showMessageDialog(null,"Maaf Setoran minimal Rp 1000");} else { JOptionPane.showMessageDialog(null,"Setoran Rp. "+setor+" Berhasil!"); saldo_akhir=saldo_akhir+setor;} } } public String getb(){ return nama_nsb; } public String geta(){ return norek_nsb; } public double getc(){ return saldo_akhir; } public double getd(){ return jum; } public String gete(){ return no_t; } }

Class Utama

package tauaspbo2; import javax.swing.JOptionPane; public class menu_utama extends bank{ public static void main(String[] args){ int pilih1; nasabah coba=new nasabah(); nasabah Tombol; Tombol = coba; int x=0; do {String data2=JOptionPane.showInputDialog(" ++= *BANK MAJU MUNDUR* =++ \n 1. Nasabah Baru " + "\n 2. Setoran \n 3. Transfer \n 4. Mengambil \n 5. Exit \n " + " Masukan Pilihan Anda?"); pilih1=Integer.parseInt(data2); switch(pilih1){ case 1: Tombol.setnsb1(); Tombol.setnsb2(); Tombol.getnsb1(); break; case 2: Tombol.setnsb3(); Tombol.getnsb1(); break; case 3: Tombol.transfer(); Tombol.getnsb4(); break; case 4: Tombol.ambil(); Tombol.getnsb1(); break; case 5: System.exit(0); break; } x++; } while (x>0); } }

Class Nasabah

package tauaspbo2; import javax.swing.JOptionPane; public class nasabah extends bank{ public void getnsb1(){ JOptionPane.showMessageDialog(null,"Data Nasabah \n" + "Nama Nasabah : "+getb()+"\n" + "No rekening : "+geta()+"\n" + "Saldo : Rp "+getc()+"\n"); } public void getnsb4(){ JOptionPane.showMessageDialog(null,"Data Nasabah \n" + "Nama Nasabah : "+getb()+"\n" + "No rekening : "+geta()+"\n" + "No rekening tujuan : "+gete()+"\n" + "Jumlah Transfer : "+getd()+"\n" + "Saldo : Rp "+getc()+"\n"); } }

Screen Shoot :

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