LA JAVA Minggu 7

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Java

Kamis, 09 Mei 2013

2 Komentar

Program OOP Menghitung Luas Persegi Panjang dan Volume Balok

Program Persegi Panjang

 //class PersegiPanjang
public class PersegiPanjang {
public int panjang;
public int lebar;
public int luas;

public int getPanjang() {
    return panjang;
    }
public void setPanjang(int panjang) {
    this.panjang = panjang;
}
public int getLebar() {
    return lebar;
    }

public void setLebar (int lebar) {
    this.lebar = lebar;
    }
public int getLuas() {
    return panjang * lebar;
}
public int getLuas (int jumlah) {
    return (panjang * lebar) * jumlah;
}
}

import javax.swing.JOptionPane;
public class Main {
public static void main (String [] args) {
    PersegiPanjang p = new PersegiPanjang();
    p.setLebar (Integer.parseInt (JOptionPane.showInputDialog ("Masukkan Nilai Lebar : ")));
    p.setPanjang (Integer.parseInt (JOptionPane.showInputDialog ("Masukkan Nilai Panjang : ")));
JOptionPane.showMessageDialog(null, p.getLuas());
int luastotal = p.getLuas(5);
JOptionPane.showMessageDialog(null, "Total luas 5 Persegi Panjang adalah " + luastotal);
balok b = new balok();
b.setPanjang(90);
b.setLebar(10);
b.setTinggi(30);
JOptionPane.showMessageDialog(null, b.getVolume());
}
}

//class balok
public class balok extends PersegiPanjang {
    private int tinggi;
    public void setTinggi (int tinggi) {
        this.tinggi = tinggi;
        }
    public int getTinggi() {
        return tinggi;
        }
    public int getVolume() {
        return panjang * lebar * tinggi;
        }
}

Program atlit

//class atlit
public class atlit {
private String nama;
  private String medali;
  private int point;
   public atlit() {
  }
   public void setNama(String nama){
      this.nama=nama;
  }
  public String getNama(){
      return nama;
  }
  public void setPoint(int point){
      this.point = point;
  }
  public int getPoint(){
      return point;
  }
   public String getMedali(){
      if (point == 3){
         medali="MENDAPATKAN MEDALI EMAS";
      }else if(point == 2){
         medali="MENDAPATKAN MEDALI PERAK";
      }else if(point==1){
         medali="Perunggu";
      }else{medali="TIDAK MENDAPAT MEDALI";
   }
     return medali;
   }
}

// class Demoatlit
import javax.swing.JOptionPane;
public class Demoatlit {
public static void main(String args[]){
       atlit a = new atlit();
       a.setNama (JOptionPane.showInputDialog ("Masukkan Nama : "));
       a.setPoint(Integer.parseInt(JOptionPane.showInputDialog ("Masukkan Point : ")));

       JOptionPane.showMessageDialog(null, "========Hasil========"+""
               + "\nNama Atlit : " +a.getNama()+"\nPerolehan Point : " +a.getPoint()
               + "\nStatus : "+a.getMedali()
               +"\n=====================");
    }
  }

Program sepeda

//clss sepeda
public class sepeda {
       int rpm = 0;
       int speed = 0;
       int gear = 1;
       public sepeda() {
       }
       public int getRpm() {
    return rpm;
    }
       public void setRpm(int newValue) {
            rpm = newValue;
       }
       public int getGear() {
    return gear;
    }
       public void setGear(int newValue) {
            gear = newValue;
       }
       public int getspeedUp() {
    return speed;
    }
       public void setspeedUp(int increment) {
            speed = speed + increment;
       }
       public int ubahRem() {
    return speed;
    }
       public void ubahRem(int decrement) {
            speed = speed - decrement;
       }
}

// class tes
import javax.swing.JOptionPane;
public class tes {
    public static void main(String[] args) {
          sepeda m1 = new sepeda();
          sepeda m2 = new sepeda();

          // Method dalam objek tsb
          m1.setRpm (Integer.parseInt(JOptionPane.showInputDialog ("Masukkan Nilai Rpm pada m1 : ")));
          m1.setspeedUp (Integer.parseInt(JOptionPane.showInputDialog ("Masukkan Nilai Speed pada m1 : ")));
          m1.setGear (Integer.parseInt(JOptionPane.showInputDialog ("Masukkan Nilai Gear pada m1 : ")));
          

          m2.setRpm (Integer.parseInt(JOptionPane.showInputDialog ("Masukkan Nilai Rpm pada m2 : ")));
          m2.setspeedUp (Integer.parseInt(JOptionPane.showInputDialog ("Masukkan Nilai Speed pada m2 : ")));
          m2.setGear (Integer.parseInt(JOptionPane.showInputDialog ("Masukkan Nilai Gear pada m2 : ")));
          JOptionPane.showMessageDialog(null, "===Sepeda1==="+"\nRpm    : "+m1.getRpm()
                  +"\nSpeed : "+m1.getspeedUp()
                  +"\nGear    : "+m1.getGear()+ "\n \n ===Sepeda2==="+"\nRpm    : "+m2.getRpm()
                  +"\nSpeed : "+m2.getspeedUp()
                  +"\nGear    : "+m2.getGear());
    }
}

Program disket

//class disket
public class disket {
int panjang = 10;
  final int LEBAR = 10;
  String warna = "kuning";
  String bentuk = "segiempat";
  String data = "";
  disket() {
      panjang= 100 ;
  }
  disket(int panjang1) {
      this.panjang = panjang1;
  }
  void simpanData(String data1) {
         this.data += data1;
  }

  void hapusData() {
         data = "";
  }

  String bacaData() {
         return data;
  }
}

// class MainDisket
class MainDisket{
    public static void main (String[] args) {
          disket disk1 = new disket(50);
          System.out.println("Panjang Disket = "+ disk1.panjang);
          System.out.println("Lebar Disket = "+ disk1.LEBAR);
          System.out.println("Warna Disket = "+ disk1.warna);
          System.out.println("Bentuk Disket = "+ disk1.bentuk);

          System.out.println("data mula-mula = "+ disk1.bacaData());
          disk1.simpanData("Belajar java");
          System.out.println("Setelah SimpanData = "+ disk1.bacaData());
          disk1.hapusData();
          System.out.println("Setelah hapusData = "+ disk1.bacaData());
    }
}

Program datadiri

//class datadiri
public class datadiri {
private String nama;
private String kelas;
private String npm;

public String getNama() {
    return nama;
    }
    public void setNama(String nama) {
    this.nama = nama;
    }
    public String getKelas() {
        return kelas;
        }
    public void setKelas(String kelas) {
        this.kelas = kelas;
    }
    public String getNpm() {
        return npm;
        }
    public void setNpm(String npm) {
        this.npm = npm;
    }
    }

//class biodata

import javax.swing.JOptionPane;
public class biodata {
public static void main (String[]args){
    datadiri bio = new datadiri();
    bio.setNama (JOptionPane.showInputDialog("Nama Anda : "));
    bio.setKelas (JOptionPane.showInputDialog("Kelas Anda : "));
    bio.setNpm (JOptionPane.showInputDialog("Npm Anda : "));
    JOptionPane.showMessageDialog(null,"Nama : "+bio.getNama()+"\nKelas : "+bio.getKelas()
            +"\nNpm : "+bio.getNpm());
    }
}

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