TUGAS KONSTRUKTOR PUPUT PUJI SETYANINGSIH

MAIN CLASS


public class TugasKonstruktor1 {

public static void main(String[] args) {

Motor mio = new Motor("Mio", "Soul");
Motor b = new Motor("Nama", "Merk");
}
}


CLASS



class Motor {
String nama;
String merk;
int harga;

Motor(String nama, String merk){
System.out.println("Mio Soul harga 15000000");

this.nama = nama;
this.merk = merk;
}
}

tugas konstruktor SUNTI AMBAR WATI

MAIN CLASS

public class TugasKonstruktor {

public static void main(String[] args) {

AlatDrumband bass = new AlatDrumband("Bass", "Drum");
AlatDrumband b = new AlatDrumband("Nama", "Jenis");
}
}

CLASS


class AlatDrumband {
String nama;
String jenis;
int harga;


AlatDrumband(String nama, String jenis){
System.out.println("Bass Drum harga 1200000");

this.nama = nama;
this.jenis = jenis;
}
}

TUGAS THIS SUNTI AMBAR WATI

MAIN CLASS

public class makanan {

public static void main(String[] args) {

jenisMakanan a = new jenisMakanan();
a.ubahData("Taro", 10, "Snack");

a.tampilData();
}
}


CLASS

class jenisMakanan {
String nama;
int jumlah;
String jenis;

void ubahData(String nama){
System.out.println("ubahData(1)");
this.nama = nama;
}

void ubahData(String nama, int jumlah){
System.out.println("ubahData(2)");
this.nama = nama;
this.jumlah = jumlah;
}

void ubahData(String nama, int jumlah, String jenis){
System.out.println("ubahData(3)");
this.nama = nama;
this.jumlah= jumlah;
this.jenis = jenis;
}

void tampilData(){
System.out.println("Nama : " + nama);
System.out.println("Jumlah : " + jumlah);
System.out.println("Jenis : " + jenis);
}

}

TUGAS THIS PUPUT PUJI SETYANINGSIH

MAIN CLAS

public class TugasThis {

public static void main(String[] args) {

Kosmetik a = new Kosmetik();
a.ubahData("Ponds", 5, "Pelembab");

a.tampilData();
}
}

CLASS

class Kosmetik {
String nama;
int banyaknya;
String jenis;

void ubahData(String nama){
System.out.println("ubahData(1)");
this.nama = nama;
}

void ubahData(String nama, int banyaknya){
System.out.println("ubahData(2)");
this.nama = nama;
this.banyaknya = banyaknya;
}

void ubahData(String nama, int banyaknya, String jenis){
System.out.println("ubahData(3)");
this.nama = nama;
this.banyaknya= banyaknya;
this.jenis = jenis;
}

void tampilData(){
System.out.println("Nama : " + nama);
System.out.println("Banyaknya : " + banyaknya);
System.out.println("Jenis : " + jenis);
}

}

Tugas This, Endang Sri Wahyuni (SI)

MAIN CLASS

/**
 * @(#)Gaun.java
 *
 * Gaun application
 *
 * @author
 * @version 1.00 2014/4/7
 */
 
public class Gaun {
   
    public static void main(String[] args) {
       
        Kebaya Wanita= new Kebaya();
        Wanita.ubahdata("KebayaMerah",10,"Merah");
        Wanita.tampilData();
    }
}

CLASS


class Kebaya {
    String nama;
    int jumlah;
    String warna;
    void ubahdata(String nama){
        System.out.println("ubahdata(1)");
        this.nama=nama;
    }
    void ubahdata(String nama, int jumlah){
        System.out.println("ubahdata(2)");
        this.jumlah=jumlah;
    }
    void ubahdata(String nama, int jumlah, String warna){
        System.out.println("ubahdata(3)");
        this.nama=nama;
        this.jumlah=jumlah;
        this.warna=warna;
    }
    void tampilData(){
        System.out.println("Nama:"+nama);
        System.out.println("Jumlah:"+jumlah);
        System.out.println("Warna:"+warna);
    }
}

tgs contoh konstruktor indah dianawati SI

mainclass
public class ContohKonstruktor {
   
    public static void main(String[] args) {
       
    Bunga mawar = new Bunga("Mawar", "Merah");
    Bunga b = new Bunga("Nama", "Warna");

}
  
}

class
class Bunga {
    String nama;
    String warna;
    int harga;
    int jenis;

Bunga(String nama, String warna){
System.out.println("Mawar Merah harga 25000");

this.nama = nama;
this.warna = warna;
}
}

Elviana SI 2012

tugas parameter luas bujur sangkar

main class

public class tugas3 {
   
    public static void main(String[] args) {
    data dataku = new data();//objek
    int a = dataku.tambah (100,50);
    System.out.println (a);
    a = dataku.kurang(255,75);
    System.out.println(a);
    double b = dataku.bagi(100.0, 3.0);
    System.out.println(b);
    }
}

class

class data{
    int tambah(int s1, int s2){
        int hasil = s1+s2;
        return hasil;
    }
    int kurang(int s1, int s2){
        int hasil = s1-s2;
        return hasil;
    }

    int kali(int s1, int s2){
        int hasil = s1*s2;
        return hasil;
    }
    double bagi(double s1,double s2){
        double  hasil = s1/s2;
        return hasil;
}
   
   
}

Elviana SI 2012

TUgas This

main class

 
public class fashion {
   
    public static void main(String[] args) {
       busana b = new busana();
    b.ubahData("pakaian batik",100000,"biru");
    b.tampilData();
    }
}

class
`class busana {
    String nama;
    int harga;
    String warna;
    void ubahdata(String nama){
    System.out.println("ubahdata(1)");
    this.nama = nama;
    }
    void ubahdata(String nama,int harga){
    System.out.println("ubahdata(2)");
    this.nama=nama;
    this.harga=harga;
    }
    void ubahData(String nama, int harga, String warna){
    System.out.println("ubahData(3)");
    this.nama = nama;
    this.harga= harga;
    this.warna= warna;
    }

    void tampilData(){
    System.out.println("nama :" + nama);
    System.out.println("harga :" + harga);
    System.out.println("warna:" + warna);
    }
}

Elviana SI 2012

main class
`class busana {
    String nama;
    int harga;
    String warna;
    void ubahdata(String nama){
    System.out.println("ubahdata(1)");
    this.nama = nama;
    }
    void ubahdata(String nama,int harga){
    System.out.println("ubahdata(2)");
    this.nama=nama;
    this.harga=harga;
    }
    void ubahData(String nama, int harga, String warna){
    System.out.println("ubahData(3)");
    this.nama = nama;
    this.harga= harga;
    this.warna= warna;
    }

    void tampilData(){
    System.out.println("nama :" + nama);
    System.out.println("harga :" + harga);
    System.out.println("warna:" + warna);
    }
}

class
`class busana {
    String nama;
    int harga;
    String warna;
    void ubahdata(String nama){
    System.out.println("ubahdata(1)");
    this.nama = nama;
    }
    void ubahdata(String nama,int harga){
    System.out.println("ubahdata(2)");
    this.nama=nama;
    this.harga=harga;
    }
    void ubahData(String nama, int harga, String warna){
    System.out.println("ubahData(3)");
    this.nama = nama;
    this.harga= harga;
    this.warna= warna;
    }

    void tampilData(){
    System.out.println("nama :" + nama);
    System.out.println("harga :" + harga);
    System.out.println("warna:" + warna);
    }
}

tgs this indah dianawati SI

mainclass
public class Contoh_fashion {
       
        public static void main(String[] args) {
       
        fashion a = new fashion();
        a.ubahData("Jilbab Pasmina", 25000, "Jilbab");

        a.tampilData();
    }
}

class
class fashion {
    String nama;
    int harga;
    String jenis;
   
    void ubahData(String nama){
        System.out.println("ubahData(1)");
        this.nama =nama;
       
    }
   
    void ubahData(String nama, int harga){
        System.out.println("ubahData(2)");
        this.nama = nama;
        this.harga = harga;
    }
   
    void ubahData(String nama, int harga, String jenis){
        System.out.println("ubahData(3)");
        this.nama = nama;
        this.harga = harga;
        this.jenis = jenis;
    }
   
    void tampilData(){
    System.out.println("Nama : " + nama);
    System.out.println("harga : " + harga);
    System.out.println("Jenis : " + jenis);
}
}

membuat statmen java

package com.stripbandunk.database.statement;

import com.stripbandunk.database.util.DatabaseUtil;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

/**
 *
 * @author echo
 */
public class Program {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
       
        Connection koneksi = DatabaseUtil.getKoneksi();
       
        Statement statement = null;
        try{
            statement = koneksi.createStatement();
            System.out.println("Statement berhasil dibuat");
           
            //
           
        }catch(SQLException ex){
            System.out.println("Statement gagal dibuat");
        }finally{
            if(statement != null){
                try{
                    statement.close();
                    System.out.println("Berhasil menutup statement");
                }catch(SQLException ex){
                    System.out.println("Gagal menutup statement");
                }
            }
        }
    }
}
 

Database Utilities Test

package com.stripbandunk.database.util;

/**
 *
 * @author echo
 */
public class Test {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        DatabaseUtil.getKoneksi();
    }
}

Database Utilities

package com.stripbandunk.database.util;

import com.mysql.jdbc.Driver;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;

/**
 *
 * @author echo
 */
public class DatabaseUtil {

    private static Connection koneksi;

    public static Connection getKoneksi() {
        if (koneksi == null) {
            try {
                Driver driver = new Driver();
                DriverManager.registerDriver(driver);

                String url = "jdbc:mysql://localhost:3306/jdbc_belajar";
                String user = "jdbc";
                String password = "rahasia";

                koneksi = DriverManager.getConnection(url, user, password);
                System.out.println("Koneksi Sukses");
            } catch (SQLException ex) {
                System.out.println("Koneksi Gagal");
            }
        }
        return koneksi;
    }
}

Database Service

package com.stripbandunk.database.service;


public class ProgramInjection {

    public static void main(String[] args) {
       
        BarangService service = new BarangService();
       
        String kode = "008' OR 'a' = 'a";
       
        service.delete(kode);
       
        String sql = "DELETE FROM barang WHERE kode = '"+kode+"'; ";
       
        System.out.println(sql);
    }
}

package com.stripbandunk.database.service;


public class Program {

    public static void main(String[] args) {
        // TODO code application logic here
        BarangService service = new BarangService();
       
        service.insert("004", "Rexona Man", "Deodoran", 15000, 10);
        service.insert("005", "Rexona Woman", "Deodoran", 17000, 10);
       
        service.update("004", "Rexona Men", "Deodoran", 13000, 100);
       
        service.delete("005");
    }
}
 

package com.stripbandunk.database.service;

import com.stripbandunk.database.util.DatabaseUtil;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

/**
 *
 * @author echo
 */
public class BarangService {
   
    private Connection koneksi;
   
    public BarangService(){
        koneksi = DatabaseUtil.getKoneksi();
    }
   
    public void insert(String kode, String nama, String kategori, int harga, int stok){
        Statement statement = null;
        try{
            statement = koneksi.createStatement();
            System.out.println("Statement berhasil dibuat");
           
            String sql = "INSERT INTO barang(kode, nama, kategori, harga, stok) VALUES ('"+kode+"', '"+nama+"', '"+kategori+"',"+harga+","+stok+" );";
           
            statement.executeUpdate(sql);
           
        }catch(SQLException ex){
            System.out.println("Error : " + ex.getMessage());
        }finally{
            if(statement != null){
                try{
                    statement.close();
                    System.out.println("Berhasil menutup statement");
                }catch(SQLException ex){
                    System.out.println("Gagal menutup statement");
                }
            }
        }
    }
   
    public void update(String kode, String nama, String kategori, int harga, int stok){
        Statement statement = null;
        try{
            statement = koneksi.createStatement();
            System.out.println("Statement berhasil dibuat");
           
            String sql = "UPDATE barang SET nama = '"+nama+"', kategori = '"+kategori+"', harga = "+harga+", stok = "+stok+" WHERE kode = '"+kode+"'; ";
           
            statement.executeUpdate(sql);
           
        }catch(SQLException ex){
            System.out.println("Error : " + ex.getMessage());
        }finally{
            if(statement != null){
                try{
                    statement.close();
                    System.out.println("Berhasil menutup statement");
                }catch(SQLException ex){
                    System.out.println("Gagal menutup statement");
                }
            }
        }
    }
  
    public void delete(String kode){
        Statement statement = null;
        try{
            statement = koneksi.createStatement();
            System.out.println("Statement berhasil dibuat");
           
            String sql = "DELETE FROM barang WHERE kode = '"+kode+"'; ";
           
            statement.executeUpdate(sql);
           
        }catch(SQLException ex){
            System.out.println("Error : " + ex.getMessage());
        }finally{
            if(statement != null){
                try{
                    statement.close();
                    System.out.println("Berhasil menutup statement");
                }catch(SQLException ex){
                    System.out.println("Gagal menutup statement");
                }
            }
        }
    }
   
}

materi this java

setelah belajar parameter belajar this
main class

public class ContohThis {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
       
        Orang budi = new Orang();
       
        System.out.println(budi.nama);
       
        budi.ubahNama("Budi Nugraha");
       
        System.out.println(budi.nama);
    }
}

kemudian class

public class Orang {
   
    String nama;
   
    void ubahNama(String nama){
        this.nama = nama;
    }
   
}

Tugas Parameter luas bujur sangkar Elviana SI 2012

main class public class tugas3 { public static void main(String[] args) {
data dataku = new data();//objek
 int a = dataku.tambah (100,50);
System.out.println (a);
a = dataku.kurang(255,75);
System.out.println(a);
double b = dataku.bagi(100.0, 3.0);
System.out.println(b);
}
 }

class class data{ int tambah(int s1, int s2){ int hasil = s1+s2; return hasil; } int kurang(int s1, int s2){ int hasil = s1-s2; return hasil; } int kali(int s1, int s2){ int hasil = s1*s2; return hasil; } double bagi(double s1,double s2){ double hasil = s1/s2; return hasil; } }

luas persegi panjang parameter, Susianik SI

mainclass

public class luas_persegipanjang {

public static void main(String[] args) {

luas psg_pjg = new luas();//object

int l = psg_pjg.hitung(15,10);

System.out.println(l);

}

}

class:

class luas {

int hitung (int p, int l){

int hasil=p*l;

return hasil;

}

}

luas jajargenjang parameter, Dwi Jayanti SI

Mainclass:

public class jajargenjang_parameter {

public static void main(String[] args) {

luas hitung=new luas();//objek

int l=hitung.kali(15,5);

System.out.println(l);

}

}

Class:

class luas {

int kali (int a,int t){

int hasil=a*t;

return hasil;

}

}

Tugas Parameter, Luas Segitiga, ENDANG SRI WAHYUNI (Sistem informasi)

MAINCLASS

public class luas_segitiga {
   
    public static void main(String[] args) {
       
        luas segitiga=new luas();//object
        int l=segitiga.kali(10,20);
        System.out.println("hasil luas segitiga="+l);
    }
}

CLASS


class luas {
    int   kali(int alas,int tinggi){
        int   hasil=alas*tinggi*1/2;
        return hasil;
   
    }
}

S1 PUPUT PUJI SETYANINGSIH (LUAS_FUNGSI)

maind class
public class Luas_Fungsi {
   
    public static void main(String[] args) {
       
      
    persegipanjang luas = new persegipanjang();
    luas.a=10;
    luas.b=10;
 
    int hasil=luas.perhitungan();
        System.out.println("hasil luas persegi panjang="+hasil);
    }
}

class
class persegipanjang {
   
    int a;
    int b;
    int perhitungan(){
        int l=a*b;
        return l;
}

}